Zipper Chomp zip-er, chomp
After the act of urination - or other activities involving the penis - when one fastens his zipper and finds an extremity (the penis) getting caught up in the action. Zipper chomping is comparable to being bit by a crocodile. Common symptoms may include swelling, redness, severe shrieking, and even castration. Getting zipper chomped is worse than being aborted.
"Tom, what is wrong with your penis"? "Oh I got zipper chomped"
"Honey, I would much rather give birth than get zipper chomped"
"Oh you had cancer? Try getting zipper chomped"