Lopsidation

The state of being lopsided.

Example One-
Dude #1: She was cool and all, but one boob was smaller than the other."
Dude #2: "Man, that's lopsidation, at it's finest."

Example Two-
Lady #1 "He was great in bed, but he definitely has lopsidation; one hung waaaay lower than the other."
Lady #2 "Oof."