1. (verb) To sit side by side with your girlfriend, in study hall, and have her wack you off under the table.
Damn, Dude, I'm beat. Shelia dropped a Study Hall stand off on me last period. I'm dehydrated.
by boppa23 July 20, 2011
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When two cars driving down a two lane highway one in each lane going the exact same speed next to each other restrict the cars behind them from passing.
Mike: (on the phone) Chall at? you was posta be her fitty minits ago.

Erick: (on the phone) oh yoz I know ize on I-84 stuck behind a mexican stand-off

Mike: daaannng!
by slikfishy March 5, 2009
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When two men stand facing each other and give each other western handjobs, each racing to try and ejaculate on the other person first.
Eric: Hey dude, Anything going on tonight?
Jacob: Jesse and I have a high noon stand-off planned for later.

Chad: You know what time it is!
Ryan: High noon stand-off time?!
Chad: Ready, set, draw!
by Ultimatefgt November 5, 2013
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It is when you open a girls vagana and fill it with tequila... then you wrap sandpaper around your dick and pound her as hard as possible!!!
Last night my girlfriend and I had a Mexican Stand-off!
by WTF119 March 17, 2019
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Where some people are robbing a place and get surrounded by the police and to pass the time they blow jack all the hostages.
It was a blow jack stand off.
by Judge dredd7 April 7, 2011
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An activity in which two males stand in front of each other wanking it until one of them finishes and he is declared the victor.
Friend: "Dude, why are you sad and all sticky??"

Tanner: ...I just lost the mexican stand off.."
by Danimal170 April 25, 2012
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When two shy pee-ers stand next to each other on urinals, both of them waiting for the other to piss so they themselves can piss in solitude.
- Dude, why did you take so long? You almost missed the entire movie!
-Yeah I know, I had a Swedish Stand-off with a guy at the urinal
by the shy pee-er December 18, 2017
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