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1. An addictive element of something
Why are you so addicted to watching Jersey Shore? What's the crack factor?
by getnate February 16, 2012
A term used for scaleing the amount of ones crack showing when bending over, usually rated from 1 to 10 (10 being maximum crack and possibly hair/feces)
"Oh man, pull up your pants"

"Crack factor?"

"Fuck man, id say about 7"

"Oh, sorry man"

by Taffysack September 27, 2007