1 definition by YogurtYumYums

Top Definition
A genre of metal music in which the preforming artists, during the break-down section of their song, lower themselves into a crab like position while continuing to play their instruments.
Some scientists speculate that this movement is intended to emphasize the rhythm and beat of the break-down section in a song.
Person 1: dude that band is so sick, but why do they squat like crabs during their songs

Person 2: Its because they're Crab Core duh!
by YogurtYumYums July 07, 2009

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