An absence of alcohol or an abrupt cut off of alcohol supply just as people have started getting tipsy.

Basically when the alcohol finishes just as people started enjoying it.
Friend 1: Shit the alcohol is done and Garry will only be back from the shops in an hour.

Friend 2: Oh no, we are going to go through air lock for a whole hour!
by Mai09 December 27, 2018
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When Three Guys have sex with one girl at the same time sealing all of her holes up (Ass hole, Mouth and Pussy).
My two budies and I air locked this chick last night.
by tzj June 28, 2006
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When a girl is sucking your cock, you grab the back of her head, pulling her close while sticking two fingers up her nose...
air lock: I was getting a bj at movies last night, and I totally airlocked that bitch..
by princedick September 25, 2009
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When a girl is sucking your cock, you grab the back of her head, pulling her close while sticking two fingers up her nose...
air lock: I was getting a bj at movies last night, and I totally airlocked that bitch..
by princedick September 25, 2009
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When you take a dump off a building and hit someone.
Them: Hey man, you should use your Air-based vision locked targeting system!
Me: Naa...
Them: Five bucks if you hit the baby
Me: Deal!
by LividPlanets February 06, 2019
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