It is also possible that you merely tore your urethra. If you held your urine for an long time and then pushed too hard when you urinated, you may have a tear in it. Time will heal it if it is a tear. Just don't push too hard when you urinate.
P.S. - Don't ever use the term: 'wee-wee' again.
P.S. - Don't ever use the term: 'wee-wee' again.