might as well post all of them
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Effects
Found in the stats boxes of guns are sometimes cryptic or humorous messages. These lines indicate a certain effect on the gun. Several decoded messages are as follows:
■Drop the Hammer - Chance to cause massive damage [Shotguns]
■We Don't Need No Water... - x4 Fire [SMG]
■Bring Out Your Dead - x4 Corrosion [Shotguns] (Reference to the movie Monty Python and the Holy Grail)
■Unrelenting Firepower - Regenerates ammo [Revolvers]
■Never Stop Shooting - Regenerates ammo [Repeater Pistols]
■Hallelujah! - Regenerates Ammo [SMGs]
■I Can Do This All Day... - Regenerates Ammo [Shotguns]
■Hold Your Ground... Forever - Regenerates Ammo [Combat Rifles]
■Sometimes, I Forget To Reload - unlimited Magazine/ammo
■Bring The HEAT! - Incendiary Rounds [Revolvers/Repeater Pistols]
■We Don't Need No Water... : Incendiary Rounds [SMGs]
■A Lead Wind Blows... - Fires two bullets per one ammo [SMGs]
■2 More Bullets Makes All The Difference - Fires 5 round burst instead of standard 3 round burst [Combat Rifles]
■Fast Hands - Super fast reload
■Ride the Wave Dude! - Bullets follow a wave pattern up and down as they go out from the gun [Shotgun]
■Cross Their Heart, Hope They Die - Spread follows a cross-shaped pattern. [Shotguns]
■Fools! They call me maaaad! - Bullets zig-zag when fired, and ricochet. [Revolvers]
■The ultimate close quarters feline. - Bullets follow a spiral path when fired. [SMGs]
■Holy Crap, It Shoots Rockets! - shoots rockets intermittently while firing. [Shotguns] (Uses the weapon's ammo type, not actual rockets)
■Big Tony says "Hi" - Massive Magazine. [Repeater Pistols]
■War is in your blood - Massive Magazine. [Combat Rifles]
■Guns of the Revolution never fall silent. - Massive Magazine. [Combat Rifles]
■One Bad Dog - Massive Magazine. [Shotguns]
■Be Careful Not to Drop It... Might Lose A Toe - +100% Melee Damage. [Repeater Pistols]
■Beware The Horde - Once fired, one rocket becomes several. The longer the rockets travel, the more they split, which can lead to 20+ rockets for a single shot! [Rocket Launchers] (Sort of like a MIRV warhead.)
■Monster Kill! - Fires several rockets simultaneously with each trigger pull. [Rocket Launchers] (Still only uses one ammo per shot.)
■The Unstoppable Force! - Rockets periodically explode in mid-flight. [Rocket Launchers] (Note the rocket continues traveling to hit its mark, regardless of how many times it explodes in flight.)
■It Rises! - Rockets have an arced trajectory. [Rocket Launchers]
■Why Don't You Go Shoot Yourself An Elephant? - Massive Damage; No Scope [Sniper Rifles]
■The Cutting Edge - Shots have a chance to ignore shields.
■Pele needs a sacrifice! - Massive Fire Damage.
■Give Sick. - High chance for Corrosive damage; effect has a chance to transfer to nearby enemies.
■I Have You In My Eye Sir (Massive Zoom, Seen on a white sniper rifle)
■The All-Seeing Eye. - Massive Weapon Zoom. [Combat Rifles]
■I spy with my little eye... - Massive zoom [SMG]
■Sniper Rifles are for Chumps. - High Accuracy; Tight Pellet Spread [Shotguns]
■Sniper Killer... Qu'est que c'est - Fully Automatic. [Sniper Rifles] (Reference to the song Psycho Killer by the Talking Heads, the lyrics are "Psycho killer, qu'est-ce que c'est?" The phrase is French, Un ami, qu'est-ce que c'est?)
■Lightning never strikes the same place twice, but it can strike freaking everywhere! - Area-of-Effect Shock [Alien Rifles/Eridian]
■"I feel like I'm gonna break this thing." - Faster walking speed while held; Causes Massive Shock Damage [Alien Rifles/Eridian] (Reference to the movie 'Men In Black'; Specifically, the ridiculously-powerful miniature handgun, 'The Noisy Cricket')
■BAM!BAM!BAM!BAM!BAM! - While scoped, a five round burst. [Sniper Rifles]
■The Destructor has come. - While scoped, fires the entire clip in one burst. [Combat Rifles] (Reference to the movie Ghost Busters; Specially a quote from the character "Gozer the Gozerian")
■Invade your skull. - While scoped, fires the entire clip in one burst. [Repeater Pistols]
■A beast of many forms - Fire, Lightning, and Poison. - Bullets alternate between the 3 elemental damage types on every shot. [Revolvers]
■Make's Their Brain Hurt - Each shot fires a shotgun-like burst. [Sniper Rifles]
■Aim for the Sniper - Better accuracy while scoped. [Shotguns]
■Walk It Off - Chance to score a Critical Hit on an enemy's legs. [Sniper rifles]
■A hunter lives among the stars... - Chance to do Random Shock Damage in vicinity of user when fired. [Sniper Rifles]
■Five Heads of Death - Each shot fires five tightly-grouped bursts, spaced out along a horizontal path.
■Have A Nice Day - Shots create a 'smiley-face' pattern.
■Your Move, Creep - Fires a three-round burst per one ammo [Repeater Pistols] (References the movie Robocop; the clue is one of the character's catchphrases, and the three-round burst is indicative of his signature sidearm, theAuto-9)
■A Gift from Papa Krom - Fires a three-shot burst when aiming. [Repeater Pistols]
■Gonna cook someone today - Creates small nuclear explosion when fired. [Rocket Launchers]
■For the Mother Land - 10x Grenade damage. [Sniper Rifles]. (Reference to the Battle of Stalingrad during World War 2 in which the Soviet's use of snipers and hand grenades was crucial to their victory).
■It's a Helluvah Thing - Speculated to have some knockback effect.
■PEWPEWPEW - Has a chance to home in on your target
■Unending Firepower - Ammo is unlimited, it spends when you fire, but instantly regenerates