sack crab

A person who follows you around, or invades your space therefore riding your "sack" or "nutsack".

Joeys little brother was hovering around like a little "sack crab"

Crab Sack

A crab sack is when the meaty cock of a male crab goes inside the anus of a human female, this act of sexual crabercorse is why we have jesus

Give me that crab sack