When having sex with somebody from behind, the receiving partner reaches back with their right arm and forcibly attempts to jam their fist up the ass of the giving partner. Named after Thaal Sinestro, the arch nemesis of the Green Lantern, the name is a reference to the fact Sinestro wears his power ring on his left hand so his right hand is free to penetrate people anally, as most supervillains often do with their free hands.
guy 1: I was having sex with this girl last night and I stuck it in her ass without telling her first.

guy 2: hahahaa what did she do?

guy 1: she wasn't happy so she gave me a right handed sinestro to get even.

guy 2: Oh man that sucks!

guy 1: ...I kind of liked it (._.)
by balooboo April 17, 2011
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An amazing girl that is very close to a male such as a bestfreind or comforting person to talk to or for example a : rosy .
Wow that righty is awsome af
Right hand girl: lovable girl
by Djdjdjdjdmd September 27, 2015
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Your best man, the man you can always rely on.
"Im getting married next month, want to be my right-hand branch?"
by Branchsquad January 16, 2021
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A task that takes 30 seconds to complete; usually pleasureful.
Homie#1: Hey bro, wanna Pasz?
Homie#2: Sorry bro i can't, i'm performing a right hand mike.
Homie#1: Yoyo, sorry bruh, you can fosho do that and I guess I will come back in 30 seconds!
Homie#2: Yessir! Come back to see the afterman of my right hand mike!
Homie#1: Aight, can't wait my main man!!
by Dont.Spill.the.Kool.aid December 4, 2019
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The best character in The Henry Stickmin Collection, He is Reginald Copperbottoms right hand. Nobody knows his true name. He is a very loyal and strict person, who can think quickly and really put up a fight. He is the strongest, bravest and 2nd most important character in the Toppat Clan. In most Completing the Mission routes, he is reborn with a cybernetic eye with a laser that melts anything it touches, 2 metal legs that can turn into a thruster, and a strong, metal arm that can turn into a giant blade. Right hand man, also known as simply RHM, is simply awesome.
Guy: Whats your favorite THSC character?
Guy 2: Right hand man.
by rhmfan July 4, 2021
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When Pamela and her five sisters
give you a bad case of nasty blisters
and a third degree burn going straight to your head. Because it's fifty cents cheaper than the real thing. And it sure feels good most everytime.
In case you are a slow moron...

A right hand-a-rama is referring to masturbation.

Have fun, kiddies.
by GSB.net March 27, 2005
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the girl you call when you break down, need to kick some girls ass, talk crap on ugly girls, spend your money at the mall, talk crap on your recent ex-boy friend, or just chill and drink a glass of wine with.
Great, I'm having a mental break down, my boyfriend leaves me, and I don't have anything to wear-I better call my right hand woman.
by Courtney Tate June 11, 2008
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