sex gerbil 

is when you place a tollet paper roll in your ass and you let a gerbil craw up you ass and then jerk off over your dog

son let me borrow your gerbil to stuff up my ass while i jack off on our dog

sex gerbil by dick fur February 22, 2005

sex gerbil 

"Sex symbol" being misread.

See Harry Potter.

"Harry is a sex gerbil!"

sex gerbil by Typing Paper September 5, 2004