Sex T-Rex 

A person who wants to have sex all day long. They are either thinking about it. Working toward getting it or having it at almost all times!

I was rubbing Alicia's shoulders...next thing you know I've got my pants off getting a smoker! That girl is a sex t-rex, we fucked all night!
It wasn't until the next morning I realized how many miles of cock had already beat that moose knuckle into submission!

Sex T-Rex by RT2 April 29, 2007

Nipple T-Rex 

A prehistoric dinosaur in the shape of a nipple.

The Nipple T-Rex was responsible for the creation of milk which happened 240 million years ago!

Nipple T-Rex by aarondaelephanttipple June 19, 2018

doing the T-Rex 

puking so extremely loudly as to sound like a T-Rex, usually as a result of excessive alcohol consumption

Sarah: "Where's Jake at?"
Jordan: "He just downed his 10th shot of tequila, and now he's in the bathroom doing the T-Rex."
Jake: "RRRRRRRRRRRRROOOOOOOOOOOOOOAAAAAAAAAAAAARRRRRRRRRRRRRRRR!!!!!!!!!!!!!!"

doing the T-Rex by Earl Mooner February 17, 2009

Baby T-Rex Arm 

Arm cramp that men may get as a result of spooning, when they can't figure out what to do with their other arm and its gets squished up next to their body

Jim had to deal with a baby T-Rex arm at work after spooning his wife all night without moving.

Baby T-Rex Arm by Ninjetturtle June 29, 2014

Marshmallow T-rex 

When you have sexual intercourse with an obese female with no arms.

Nick ''Hey bro i did the reverse cowgirl with that girl the other day.''
jorje "No way bro i did the Marshmallow T-rex with that one chick that works at the Walking Dead scene"

Marshmallow T-rex by Elborracho_ramirez May 16, 2019

Boning a T-Rex 

Boning a T-Rex is typically an excuse on why you can't go out to do fun activities with friends, because you're a total introvert.

You: Dude, sorry I can't go out tonight.
Friend: Ok, why tho?
You: I'm boning a t-rex

Boning a T-Rex by SpankMama24 April 27, 2017

double-decker peanut butter t-rex 

A rare creature that is created when someone is doing missionary, ties the upper arms of the woman to her sides, fills her mouth with half a jar of peanut butter, and makes passionate love to her until she moans.

Guy 1: Hey man how's the relationship going?
Guy 2: Pretty great, last night we became the mythical double-decker peanut butter t-rex

double-decker peanut butter t-rex by Dankest of Darmens January 25, 2020