When a girl is giving a handjob she thinks it it necessary to pull guy's penis forward and backward similar to that of a car's manual transmission. Also can simply refer to a bad handjob.
Bob: I hooked up with that girl last night

Bill: Was it good?

Bob: No... I got the Gear shifter
by Nicholas Freedman July 11, 2008
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1. A game which involves passing a bifter around a large group of people.
"That last game of bifter shifter really fucked me up!"
by Fuzzt February 16, 2004
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A walk used by the physically/mentally impaired and those who immitate them. It involves holding one arm parallell to the chest at elbow level. and using the other arm clenched to the torso at the elbo with the forearm desperately thrusting randomly in a charade that looks like the operation of a stickshift vehicle. It is accompanied by randomly spaced irregular steps. *uninteligable grunts and confused faces optional*
Charles was such an ass yesterday for Shifter Walking past that kid in a wheel chair.

Eric beat Tim yesterday in a Shifter Walk race... it wasn't funny because Tim is actually disabled.
by T-Baggen June 18, 2011
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One guy who jerks off another guy in a garage. This definition came about when asking several men what they thought bit shifter meant.
Robbie: Hey, Ricky!
Ricky: What is up, pal?
Robbie: You wanna go in my garage and get a bit shifter?
Ricky: Hell yeah! I thought you'd never ask, bro. You're the best bit shifter I know!
by Orion76 November 25, 2011
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The Dire Shifter. Massive naturally born creatures of magic. They stand heads above other shifters. These are the top of the proverbial food chain of shifters. Not all Shifters are Dires, but all Dires are shifters.
He was a terrible Dire shifter, probably because he wasn't a Dire shifter. In fact he wasn't any kind of shifter at all. Well now that was pointless.
by arthuryourbeloved April 6, 2023
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A man who conforms/ adapts to a woman’s liking in complete disregard of man hood (guy code)
Hot chick: “girls should have all the same rights as men, were exactly equal.

Bitch Shifter: “Nah I totally agree Susan haha wanna get outta here?”
by Squiddydacraccin April 6, 2020
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When a male or female sits on a gear shifter in a car & has an intense orgasm. The shifter may be inserted into the vagina or anus.
I went to use my car this morning & my gear shifter was all sticky, must’ve had another shifter sitter last night.
by Doctor Doug August 14, 2019
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