Top Definition
When Fingering a girl, a 'Crab' would be to insert 2 fingers into the vagina and use the thumb on the clit. Yet the 'Bad Crab' would be to insert two fingers into the vagina and the thumb into the anus.
" I bad crabbed a girl last, left shit on the thumb though"
by sillydog900 September 16, 2009
5 Words related to Bad Crab

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