Road Shark 

An aggressive yet dominant driver who rules the road

Beth is a Road Shark when she's upset.

Road Shark by T1AOcsr July 27, 2017

rodshark 

a girl who drags her teeth on the penis during oral sex

"Ouch! Dang, baby! Watch the teeth! You're a real rodshark!"

rodshark by Darryl X. February 27, 2007