To hinder in a circular hovering manner, with evil stares and bad vibes, the chances of another male from getting a sexual encounter with a female.
While I was talking to Jane this dude was totally hovercocking me. What the fuck is his problem?
An event causing great and often sudden crab anxiety, crab suffering or a crab disaster.
(A) Arriving at a seafood restaurant and not realizing to call on the way to ensure they do in fact have crabs causing a crabtastrophe.
(B) Oversleeping though your alarm only to wake up and realize you missed a crab feast with your besties causing a crabtastrophe.