The T-REX 

something that is done where both arms are bent upwards to the face to show the appearance of short arms; most people experience this around weirdos or during sex.

I accidentally did the T-Rex last night when i was with Sandra.

The T-REX by huuurbigggurrrrd October 9, 2017

Bloody T-Rex

Using a water activated growing dinosaur as a tampon then smacking someone with it once it's fully grown and filled with blood

My boyfriend gave me attitude so I gave him a Bloody T-Rex.

Bloody T-Rex by Xanthern August 7, 2018

Pet T-Rex 

A slang term for the male penis

Joe: Yo I heard that Seth got quite the Pet T-Rex

Bill: Nah his dick is small for his size

Pet T-Rex by xGreen January 14, 2020

Spastic T-rex

When your getting a blowy and you nut and they keep going and your arms go flailing and you make noises that sound like a retarded T-rex

Bro I was getting some sloppy last night and she made me do a spastic T-rex shit was insane

Spastic T-rex by Confused_Cephalopod June 25, 2025

Little Baby T-Rex 

How a girl acts when she's on her period. Whiny, bitchy, mean, cranky and sure to bite your head off if you get in her way. Just like I imagine a little baby T-Rex would be.

Addie, you're acting like a little baby T-Rex.... Must be on your period.

Little Baby T-Rex by ChanningTatumisHOT September 3, 2013

you fist like a T-Rex 

You dont fist the pussy good enough.

"Hey john what your girl say about your fisting last night?"
"Maaaaan she said i didn't fist the pussy good enough"
"Damn bro you fist like a T-Rex?!"

you fist like a T-Rex by suckingdicksince1999 March 5, 2015

tony_the_t.rex 

A Tyrannosaurus rex who screams so loud it breaks the sound barrier

Hey I’m gonna go tony_the_t.rex my vocal cords away

tony_the_t.rex by Tony the t rex July 18, 2021