A fork of Rural Dictionary
To take a dump at the same time as ejaculating.
"Suck harder...ooh yeah I'm gona cumdump baby..." ....eeeww
Used when someone unloads a large amount of porn/hentai into the group chat
Damn! I need to silence this chat while at work! There's too much cumdumping!
A person who takes loads and loads of cum from a particualr partner.
That Mel is pretty cute. Too bad Cashman says she's his personal cumdump.