1 definition by sally, that girl

Top Definition
A blue moon is a man's shaved buttocks. Preferably having shaven it using his girlfriend's razor.
"Hey, that's a nice blue moon you've got there."

"I can't go out tonight. I need some male grooming time, working on my blue moon."
by sally, that girl March 04, 2010
Mug icon
Buy a Blue Moon mug!