Putting your sperm in someone's drink. Like the Orange County guy that shot his wad into his coworkers water bottle.
That girl pissed me off so I spunkdunked her and laughed my ass off as she drank her water with my load.
by King of all Urban September 19, 2010
A sexual activity whereby arousal may be achieved (forcibly) by ejaculating on the chest of another, and then partaking of the ejaculatee's head and submitting it unto the ejaculatory fluid.
Having spermed on Marisa, Marisa took Dan by the hair and made him lick it up. Teh spunkdunk lulz <3
by Teh real creaminess August 07, 2008
Spunkdunk is the name given to a a bucket full of cum, that a woman immerses her face in.
Wow, check out that chick. She is having a whale of a time in that spunkdunk. She's literally covered in jizz.
by Jon October 10, 2004
1. The act of ejaculation inside a sexual partner.
"I can't believe you let him Spunk Dunk you! Do you want to get pregnant or something?"
by PJAD September 21, 2008