When you say or do something quite ridiculous a friend should always be on hand to remind you of your mistake. Usually best said when someone has said something ill timed or embarrassing.
a) So mate, what's doing with your sister? Can I root her?

b) Deadset, give yourself an uppercut
by jango fett October 19, 2009
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when your penis bends upward and to the left
Look at Mike's cock it has a serious left hook with an uppercut
by CARS December 7, 2005
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The act of uppercutting someone, while yelling shut the fuck up
person 1:haha i heard during school today, john gave donnie a shut the fuck uppercut

person 2: OW! that must have hurt...
by Anthbroo December 29, 2012
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When during maturation the males ejaculate is expelled colliding with the underside of his chin.
I was having a wank last night and gave myself a san fran uppercut.
by Moe St Cool June 12, 2017
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a prolonged version of stfu, usually used to express further anger.
"oh my god! so i heard jenny talking about cindy saying she was going out with brad and sarah was cheating on him with ricky and-"
"SHUT THE FUCK UPPERCUT!"
by dagreatdane4 July 2, 2009
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When a man with strong willpower cums on a chick's chin with such velocity that her head cocks backwards likened to an uppercut.
"Damn that girl was on her knees just begging for me to cum, and I thought I should white thunder uppercut that bitch into cardiac arrest"
by Selamat Pagi November 9, 2021
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a punch, usually in the form of revenge to an ex-lover.
He started dating this new girl right after he broke up with me and I just want to kiss his face with an uppercut.
by user124739166 September 8, 2023
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