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a dumb chick, hence chumb
a chumb that lick cock!!!!
by C_C June 07, 2005
A thumb thats exceedingly wide and short. Like a chode but its a thumb, hence chumb. See Megan Fox's thumbs for an example!!
A: OMG look at her thumb its so wide and short!! Who has thumbs like that??
B: Oh yeah she's got a chumb!!
by Sickskier1 February 20, 2011
a thumb that is short and fat, like a chode but with a thumb:)
by Jon Queerbeck January 26, 2012