Top definition
A form of Rimjob; Sticking ones fingers inside an asshole spreading them open in a circular fashion while licking the outer rim of the ass.
Daytona Boogie was amazed to recieve a tw!ster from his muscular boyfriend rowtimmy.

"Man... my toungue tastes like a dirty asshole... I should'nt have performed a tw!ster last night".
by Marcus Moonshoes July 27, 2006
Get the tw!ster neck gaiter and mug.
Jul 22 Word of the Day
Short for ultimate bias. Typically used by fangirls and fanboys to describe their favourite celebrity amongst the many that they are fans of.
G-Dragon is my ult
by Uglycat February 19, 2017
Get a ult mug for your sister Sarah.