Paraphrasing from the slogan “must-win-battles” it can be applied to a drinking competition or to a good night out with blokes.
Acronyms: MWB
T: Hi bro, how was that mission to the Oktober Fest?
M: I tell you what, it has been like a must-win-bottle, I have never been so drunk!
by milfonian March 11, 2012
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Quite literally, one that bottles their own semen. A recluse, flake, or other waste fellow that spends more time in their room beating their meat then spending time with their friends and family. Used as cheap throw away insult due to it's seamingly harmless meaning and ridiculous implications due to the imagery it inspires in those that know of it's true meaning. Often used repeatedly in intervals to get maximum insult silliness and effectiveness

Other uses: bottling, bottled it, bottler

Unrelated origins to the UK English insult however can be used in an almost similar manner
Example:

Dude1: hey man, you bottle it.
Dude2: ok...
Dude1: bud...you fucking bottle it
Dude2: fuck off
Dude 1: but seriously....you bottle it
Dude 2: I'll fucking kill u

3hours later while dude2 is sleeping

Dude1: * creeps up to dude2s ear, whispers* You bottle it
Dude2:* proceeds to throttle dude1*

Example 2:
Dude1: where the fuck is dude 3, I called him an hour ago and he was supposed to bring us cold ones
Dude2: typical dude3 man, guys probably bottling it at home as we speak
Dude 1: fucking bottler maaan.

1 hour later
Dude3: yo guys what's Gucci!
Dude 1 and 2: you bottle it man!
by Papi Warbuck$ July 2, 2017
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A game played at parties more than likely high school or college, in which two or more completely drunk dumb asses hit each other over the head with a 2 liter bottle taking turns.
"Man, my head is bleeding from that game or bottle whap we played last night."
by Chris Benyard July 28, 2007
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Someone who only drinks straight from the bottle. No glass, no anything. Just lips to the opening of the bottle.
by heytheremisterdj July 2, 2014
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A person who doesn't like to take or take on responsibility. Not broad shouldered similar to a milk bottle
Pete got milk bottle shoulders the a lazy twat
by Lazygit April 21, 2023
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When a woman's vagina is tighter around it's opening and super loose in the inside. Similar to how a 2L coke bottle entrance is shaped. It provides a really strange feeling.
Stick your finger in a 2L coke bottle and wiggle it around.
That way you can get the full meaning of Coke Bottle Effect.
by TheGreatDocBrown December 30, 2016
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When you poke a hole in the cap of a water bottle to make it resemble an ejaculating penis.
"Bro. Why you all wet?"
"Some brah jizzed on me with his jizzer bottle.
by hellatightpussy September 2, 2011
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