Top Definition
-Someone who isn't afraid to throw down on the weekends or any day for that matter.

-Most commonly found to have a twin.

-Smokes "only in certain moods"
-Never caught in a picture not smiling.

-Consistently deny that they are in fact Cool AF
Did you know that girl from class is cool AF?
by ThatFunnyKidFromNutrition February 28, 2017

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Abreviation for: Cool as fuck
Justin Bieber is cool af
by nitchell August 14, 2016

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug