They're small, round, and they don't give a shit.
"Let me tell you about a porcupine's balls: they're small, they're round, and they don't give a shit!"
by Sub-Zero June 11, 2005
Shaved Balls that are starting to grow hair back on them.
His porcupine's balls were sticking me like crazy last night while we was bumpin uglies.
by KateHear September 04, 2006