Top definition
1. (noun) A container used to store a large quantity of semen for future use.

2. (noun) A woman of easy virtue who has one or more orifice(s) open in which semen storage may occur at any given moment and usually quite frequently.
1. Someone spilled the cum canister I had in the fridge and now my lasagna is covered in jizz.

2. I thoroughly filled that cum canister we picked up at that shindig last night.
by NCEPhaloS May 01, 2008
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