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!
додав Ninja Amber 26 Серпень 2011
The amount of cum in which one can take
She is a slut, her cumpacity level is very high
додав Mrspencer 13 Листопад 2015