Top Definition
When something you do goes unexpectedly wrong and you look like a dumbass. Cliffin' could happen at anytime of the day and anyone can be Cliffin'.
One person: Dude I just burnt my finger with the lighter!

Second person: You be cliffin'
by Annie Recksun October 30, 2011

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Living life like a beast and flexing ones muscles at every opportunity
quit cliffin' and wear a t-shirt that isn't 2 sizes too small for you. Nobody needs to see your nipples
by Big-Dawg37 June 20, 2016

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