Cumboarding
The act of shooting an overabundant amount of spermatic discharge on a hooker's face so that she thinks she's drowning.
The bitch started gagging like a fiend as I was cumboarding her; and then when realized she wasn't dead, she charged me an extra $20 bucks.
Cumboard
The act of ejaculating onto something such as a couch or a bed, and covering up the stain by dumping water on it.
Mark: "Hey goober, whats this stain on the couch?"
Goober: "Oh, that's just some water I spilled earlier. Just ignore it."
Mark: "You sure you didn't Cumboard the couch?"
Goober: "Oh, that's just some water I spilled earlier. Just ignore it."
Mark: "You sure you didn't Cumboard the couch?"