When u have a crack lighter too close to your fingers it burns (usually from heated swishers to mild them to sticking)
by Weed lord June 01, 2018
Callous on the inside part of the top joint of the thumb, due to excessive flicking of your Bic. Slang common amongst suspicious psychiatrists.
by Steve O'Rourke and Angelia LaFlamme March 10, 2008
My index finger is my crack finger
by BukkakeSenpai69 December 19, 2018
when the addiction to your cell phone causes u to be able to type 1000 words a min with out lookin watchin tv
by fake name 2010 June 06, 2010