pissy surprise

An act that involves penetrating an anus during anal sex while wearing a condom. You then whisper in your partner's ear, "I have a surprise," and scream while pissing in the condom and inflating it inside your partner's rectum. You then take your penis out of their rectum, tie the condom up like a balloon and press the tied end all the way in.

"I have a surprise."
"No. No no no."
"REEEEEEEEEEEEEEE!!!!!"
"NOT THE PISSY SURPRISE!!!"