Fapcastic

An expression used to point out how un-fap worthy someone or something is

John: Check out Jenni's ass in those jeans *fap fap fap*

Bob: Gross! She's the size of a small African village

John: I was being fapcastic

by Bob the Goldfish December 22, 2008

Faptastic

An expression used to point out how fantastically fap worthy someone, something or some event is

John: Dude! You can totally see Maria's nipples through that shirt

Bob: OMG! That's faptastic!

by Bob the Goldfish December 22, 2008