Matt was proving himself in front of his friends

Pat proves himself much to Mary's dismay
by Jay Ceresia July 23, 2004
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When an internet troll asks for proof of an argument.
Originated from World of Warcraft.
Troll: Why is it called Xbox 360? Because when you see it you turn 360 degrees and walk away.

Normal Person: No, you would still be facing the Xbox 360 then.

Troll: Prove it bro.
by GraphfromMoonGuard October 6, 2011
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There is nothing else or more to be said or proven; legit to the n^th degree; done and double-done.
When Robert James "Bobby" Fischer defeated the Russians at their own game of chess, and then left afterword, there was nothing left to prove.
by MrMathAllOfYous December 28, 2021
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(noun) place where all the mud crickets, mud sluts, “country” girls go to get drunk play in the mud and wake up with stds.
“Dude were you at 4x4 proving grounds last weekend?”

“Yeah did you see that girls tits?”
“yeah man i gave her some beads and we shotgunned a twisted tea together”
by Jeeper207 September 9, 2018
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A desperation tactic used in an argument or debate whereby proof of the speaker's wrongness is somehow held up by the speaker as proof of his rightness.
Manny: I utterly hate homosexuals. They are an affront to God and man. Except for Rick Astley. I could go down on THAT guy all night! I'd same-sex marry him in a heartbeat.

Moe: I thought you said you hated homosexuals?

Manny: Well, he's the exception that proves the rule.
by Rev. Nørb June 16, 2010
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