A makeshift cannon for shooting potatoes, usually made from PVC pipe. The two major varieties are pneumatic guns, which rely on compressed air, and combustion guns, in which a flammable chemical such as hair spray is ignited.
(verb) To spray (ejaculate) a large amount of semen on a woman's body (usually on her breasts, rump, stomach, hair, face or chin, and usually after a vigorous round of super-hard pornstar-style sex.)
(noun) Semen
Damn! Porno Mike really spudunkled Diamond Princesex and those other ho's during their auditions on PornoMike.com!