A fork of Rural Dictionary
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!!
a thumb that is short and fat, like a chode but with a thumb:)
chumbs up!
A cool as black girl that is down with the white people
They call her Chumbe cuz she's down.