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
by Dankest of Darmens January 25, 2020
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He saw what you did there.
Did you just see T-Rex Todd?

Yeah he saw what I did there.
by T-Rex Todd October 8, 2010
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"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?!"
by suckingdicksince1999 March 5, 2015
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A symptom after getting the Covid Vaccine.
I got my covid vaccine yesterday and I cant lift my arm high. Totally have T-Rex arm
by Killrek May 12, 2021
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Kid with a fucked up arm to where it’s like a T. rex arm.
Look at that retard with the fucked up arm nigga got a T. rex arm!
by L. Oh L. October 7, 2022
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Physically weak individual, a person who wouldn’t be able to carry you if you got shot in a firefight.
You looked like T Rex Arms out there when you attempted over and over to buddy carry that guy.
by LilpumpPoopdollar April 6, 2019
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T-Rex arms, formallly mistakenly nine as Raptor Arms, is when you shoot a jump shot while shortening your follow through mimicking that of a T-Rex.
“Yo Dom peep my T-Rex arms!
by StrongGotItGoingOn September 19, 2019
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