When someone goes above and beyond to be extra secretive and deceitful and more shady than a person usually would be.
Did you see what Kim did last week at school? She cheated on 4 of her tests and was flirting behind her boyfriend's back. She's such a Rattlesnake.
by CaliFORya49 September 3, 2017

That chick was crazy and totally rattlesnaked my shit last night. ratylsnake, rattlesnak, snake, rattle, rad.
by Ryan h, machesney park il February 19, 2011

by BeefStewy April 11, 2024

When a guy grows out his pubes, puts beads in them, and then shakes them to let his lady know he’s primed and ready
by protoiletrider June 16, 2022
