when you are eating a pregnant girl out and her water breaks!!!
dude, i was eatin out my bitch and she totally water balooned
The act of pissing in a condom and then lobbing at an intimate lover.
His girlfriend wanted a surprise, so he gave her a Louisiana Water baloon with the condom they used when they fucked.
An act of any uncircumsized person placing their foreskin onto a water nozzle and letting it fill up, then sealing it, ergo making a water baloon
Trent made a european water baloon on a school sink today. Didn't know that fucking freak was uncircumsized