1 definition by Billy McSideburn

Top Definition
1. to be behind

2. to fail due to lack of skill or concentration
1. Quit sluffing! We're gonna be late!

2. Bob tries to roll a joint but messes it up horribly.

Billy says "Aww dude your sluffing, how are we supposed to smoke that?"
by Billy McSideburn December 06, 2009

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