Definitions by eDictionaryMan

cannister 

An overused vagina used to store semen. The vagina is usually dry, either because the woman is unaroused due to sensory adaptation or because she is unable to self-lubricate.

I needed to get off and didn't know where to ejaculate, so I used my friend's grandma as a cannister.

cannister by eDictionaryMan July 31, 2009