The amount of cum a given person can hold in their mouth (or any given orifice) at one time.
Her mouth has a very good cumpacity. I blew two loads in there!
od uživatele Ninja Amber 26. srpen 2011
The amount of cum in which one can take
She is a slut, her cumpacity level is very high
od uživatele Mrspencer 13. listopad 2015