A person who enjoys consuming liquid or runny substances, traditionalraw eggs, through a twizzler which is used as a straw.
Person 1: Damn, that girl I met in Vegas was a freak. She wanted to suck raw eggs off the bottom of my sack with a twizzler.
Person 2: Oh snap! She was a taint twiggler!?
When one puts both hands upon another's buttocks, grasping each butt cheek - one in each hand - rubbing them vigorously in wild motions; Most often performed by males to females. Males often squat behind the female subject to gain full presentation of the buttocks at face level, grabbing the butt cheeks from underneath, which offers a more firm grip on the female's rump.