To participate in or continue a heavy drinking session, particularly involving drinking of beer from cans.

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.

parisian burlesque dance ( with pasties )

is it alright or not?

The act of anal sex in a restroom. Putting it in her can, while in THE can.

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.

fired; to lose your job