The sexual act, in order, where one ejaculates on their own penis, sticks it in their partner's ass and gets it covered in poop, and then stick the whole thing in his girl's vagina when she is on her period. each forming the ice cream, chocolate sauce, and cherry on top, respectively. The girl will then suck it all off, including his nuts, since no sundae is complete without nuts.
Did you hear what happened to Adam? He and Jamie tried a Sundae Surprise, now she has a UTI and he has shitdick.
by When_the_Hymen_Breaks May 04, 2015
When a girl is giving you head, cum on her face and then throw sprinkles on to her cum covered face and scream sundae surprise!
by Dirty Dahm September 15, 2011
When a creepy older man named Randy emerges from your closet while you and your partner are engaged in coitus, only dressed in a superman cape and holding a red balloon.
Me and the lady were getting busy last night then my step dad busted in and gave us the ol' surprise Randy.
by sleepermedic December 14, 2021
by surprisativedude December 16, 2010
by 18Panini May 30, 2025
When a femboy prolapses his asshole, and the loosening of the ass causes absurd amounts of cum and shit to shoot out of the aforementioned asshole at Mach 10 but in such a way it boomerangs back into the asshole with this process repeating until either death or the asshole goes back inside
by AsianLongMan April 03, 2025
by brettsterplow September 04, 2008