Top definition
a word used for the sole purpose of the song "Colt 45" most likely a measurement of marijuana
colt 45 and 2 zig zags baby thats all we need
we can go to the park after dark and smoke that tumb of weed
by guanaria June 27, 2011
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2
The big toe. Largest of all that is toe.
Paige: Whats wrong???
Katie: I stubbed my tumb the other day.

My tumb hurts.
by Paigeroni October 12, 2005
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3
kiara- wow! she's tall.

amanda- wow! she's dumb.

taylor- wow! she's tumb!
by so_hows_life May 12, 2009
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