It is basically an insult that can easily enrage people of the gender known as female, because it implies that their clit is the size of a penis! Hence the "Rex" since the T-rex was quite a large dinosaur. It comes down to calling a girl a shemale.
by Charlie Schween June 21, 2016
Get the Clittosaurus Rexmug. by _#%^*> April 2, 2022
Get the Pimpasaurus Rexmug. The drunk person in your neighborhood known for doing yardward with a beer in one hand and lawnmower in the other; Also known for walking his dog while drinking beer;
by Trev's Mom June 5, 2016
Get the Drunkasaurus Rexmug. 
by Kinglamp July 14, 2018
Get the Clitasaurus rexmug. A female who consumes cock without any thought to anyone else. The amount of cock needed to fill their appetite is an unknown number as it’s a never ending quest to consume more cock. See also: slut, whore, dick collector
Jill was having a wonderful time getting to know Jack until the cockosaurus rex, Amelia, decided Jack’s cock was her’s to devour.
by Scarlet_1313 October 30, 2021
Get the Cockosaurus Rexmug. "__ is a sloothiersaurus-rex with a short-arm-long-neck complex."
by Do-Be_The_MOTAV8er June 26, 2020
Get the Sloothiersaurus-Rexmug.