A bandit with one arm.
Such as that guy in the Twin Peaks movie. I don't think he was a bandit. He did have one arm though.
by Dave October 13, 2003
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The man/female covers their arm with lube the receiving partner gets in doggy style position and spreads their asscheeks the lubded one punches their anus and in one motion shoved their entire arm into the receivers anus
My ass hurts tom gave me a one-arm willy last night
by dookie69999 April 9, 2014
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A man with one arm (sometimes with the addition of an eyepatch) who skulks public restrooms for anonymous sex acts.
The one armed bandit has been hanging around the public bathroom all morning.
by Cecil January 26, 2003
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Basically turning up somewhere with nothing to give when something is expected. i.e coming to a party empty handed. Irish in origin
Jim: "Dave arrived in late to the wedding yesterday, the clown"

John: "Typical. Did he bring a pressie"

Jim: "Not at all, arrived in with one arm as long as the other"
by farkell August 17, 2011
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A bloke with a ruined gag reflex who hangs around toilets in Norfolk offering 'extras' to other blokes using the facilities.
So named as 1 arm is much larger than the other due to the amount of repeated 'stroking' of other mens cocks it performs, usually for £5 or less.
Gayboy 1 - "Hey Julian, please can you hold my Babycham, I'm off to the little boys room"
Gayboy 2 - "OK, but you'd better not have a go on the One Armed Bandit while you're in there!"
Gayboy 1 - "I won't I promise, girl"
Normal bloke from the North - "You queers disgust me"
by David Wild July 11, 2008
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When one pleasures themselves with a sprinkling of chilli sauce on the hand.
I had a great One armed Mexican bandit last night. Might have used too much chilli though my cock's still glowing!
by Buuung November 20, 2014
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Male genitalia. A penis. ( penis )
Throwing yogurt is a reference to ejaculation.
"I bought some viagra for the one arm yogurt thrower"
by 12AA34FF May 3, 2006
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