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.
by huuurbigggurrrrd October 9, 2017
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A person who likes to impose their command of the English language to to delight or dismay of anyone listening.
Run Herb the Thesaurus Rex is here.
by Huckyboy May 13, 2022
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A big fella with a disproportionately small wing-man. Not exactly king-ding-a-long.
Hey now I know why your full name is Thesaurus Rex

Because I ain't seen shit like that since I was underage.

Rex: I . I . its not 'up' mate - how would you know what a big one is?

Actually - mate as long as you can keep beating the others off your tab, you got precedence on the name Rex.

Rex. You better believe I do.
by jujufruit July 26, 2017
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A really lit and epic band
Aw you going to see Devon Rex this weekend, they’re so lit and epic”
by Skit-Italy-ees December 16, 2018
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A sexual act where the girls hands are at the bottom of the dick ,and the guy grabs her head and pushes it down on his dick repeatedly making her gag.
Dude my girlfriend gave me a T-Rex job last night.
by Sexguide January 9, 2018
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