The act of wasting someone where their arms tense up to the point where they become incapacitated and wave around aimlessly like that of a T Rex (Dinosaur)
I watched game of thrones last night and this blonde girl was just getting t rexed by a big dude
by nocabiwik July 3, 2013
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T Rex is a specific type of handjob, where the person giving a handjob tucks their elbow into the sleeve of a short sleeve shirt, and proceeds to pleasure a man's penis with only their index and middle fingers and their thumb.
I told her "rawr is dinosaur for I Love You" when she gave me a T Rex.
by aCleverStratagem December 9, 2011
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The act of having small disproportiionate upper extremities while maintaining rather large back, chest and shoulders.
by Alliance February 17, 2003
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When your lady is in the "reverse cowgirl" position, you put clench your hand with the middle knuckle raised (similar to the frogging punch). With this protruding knuckle you then place it on her spine and rub back in forth. The feeling is very intense/ticklish. It will cause her to moan in a weird fashion and her arms will become incapacitated past the forearms for a brief moment.

Some women also seem to do weird things with their mouths during the moment.
man 1: "my girlfriend is super mad at me"
man 2: "why is that"
man 1: "I was T Rexin' her for a while and now she has chronic back spasms"
by Morris G. March 4, 2008
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Wow
Was that
Your famous
Tyrannotaurus Rex
?
Because my father often put me down as a child, really hurting me with comments, I never forgot, I guess later in life I watched out for partners, crushes who had similar traits. Who either ignored me, made fun of me or told me really nasty shit. Maybe it felt homely, familiar but wrong nevertheless. I didnt understand it until recently. Self worth does not exclusively but partially maybe mainly stem from your upbringing. Sometimes its your job to rebuild it. 🖤
(T-Rex)
by Krkič April 11, 2019
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When you're sitting on your girlfriends face for a blow job and you have her arms pinned down with your legs, and yell at her to use her hands. The attempt she gives is considered a T-Rex.
I T-Rex'd my boyfriend last night. It was glorious.
by Yubin Yankinov February 2, 2013
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When you hug someone from behind while their arms are to their sides. The person being hugged can only move their arms up to their elbows therefore appearing to have short arms like a t-rex.
I like it when my girlfriend roars as I'm t-rexing her.
by Guymal September 1, 2008
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