A guy who has very muscular and bulky arms and chest, usually seen in gyms. They look like crabs due to the built muscular mass on the upper body. Crabcunts are very slow (e.g. at running/moving) and they often lack speed and power.
John: "Hey Tom you lazy f*ck get to the gym now"
Tom: "Sorry bro, I don't want to be a crabcunt. It may slow me down."
Tom: "Sorry bro, I don't want to be a crabcunt. It may slow me down."
by Sir_Carrot February 28, 2017
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