It is an outdated british slang phrase meaning "it is ready" or "it will be happen". It comes from old film industry slang, when the film was ready to be released.
Journalist: This movie took so long that it was almost forgotten...
Film director: Everybody made an excellent job, the film is in the can.

"She's in parties. It's in the can."
Bauhaus - lyrics She's in parties
by Cap'n Sane March 12, 2021
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Lying nude on your back and lifting your two legs and spreading them as wide as you can, so you are showing your balls and your asshole to surprise people walking by.
Damnit! Benjamin just showed me the can-can.
by Keefer St. Aubin October 31, 2007
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parisian burlesque dance ( with pasties )
tra la da boom de yah, can you do the can can hootchie moma!

there is a place in france where the women wear no pants.
by itichie_nocanpo July 02, 2006
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Islandboy: eh dad we going beach, can or no can?

Islandboy's dad: cans

Islandboy: shoots!
by Arjune D.M. August 11, 2008
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The act of anal sex in a restroom. Putting it in her can, while in THE can.
Last night at the restaurant, we slipped into the bathroom and I gave her the can can.
by PGF March 03, 2007
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The phrase "can the can" means "... something that is pretty impossible, you can't get one can inside another if they are the same size.
example: make a stand for your man, can the can
by llcasel November 28, 2019
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