verb. 1. when you get 0/0 on any extra credit assignment. 2. when you are talking about a test, quiz, or other school related assignment, and a parent walks in.
1. Friend: Yeah, I didn't do the spanish wordsearch that Sra. **** gave out.
You: Really? I fassed it too!

2. Friend: so how'd you do on the social studies quiz in Mr. ********'s class?
You: Oooooh... I totally f...(parent walks in)..assed it! it was soooooo easy! Hi Mom!
by Prplman May 15, 2009
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Sharing a face and ass simultaneously which is sexier than two elephant seals going at it.
"How's our fasses doing today?"
by KikenIMVU December 10, 2013
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The wrinkle that happens in between your eyes when too many girls sit on your face and their butt cheaks squeeze your forehead together.
Hunter your getting a Fass Wrinkle from all these girls.
by CarolinaNightlife.com February 6, 2010
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when yo kids cum out yo willy very early on into sexual relations
sally: โ€œomg girl billy came last night in like 2 minutes!โ€

rebecca: โ€œbihh no way donny buss-fass last night too!!โ€
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