After having anal sex to slap someone across the face with one's penis leaving a rectal juice mark. mushroom slap
James:"Hey Ron what happened to Adee's face?"
Rondel:"After taking her ass virginity, I gave her a chocolate mushroom slap and I guess I left a mark."
Rondel:"After taking her ass virginity, I gave her a chocolate mushroom slap and I guess I left a mark."
by James izzle April 14, 2005
Similar to a mushroom slap but with the added bonus of doing it after you've ejaculated and your penis is covered in semen.
Guy 1: So how'd it go with Julia last night?
Guy 2: It was awesome!... Up until she just walked out after I Cream of Mushroom Slapped her in the face...
Guy 1: Rough dude. Guess she just isn't into that kind of stuff.
Guy 2: It was awesome!... Up until she just walked out after I Cream of Mushroom Slapped her in the face...
Guy 1: Rough dude. Guess she just isn't into that kind of stuff.
by SJ U KNOW March 25, 2012
To awaken one under the influence of psilocybin from incoherence with a quick slap of the hand to the face
Tony mushroom slapped Albert so as to awaken him from his incomprehensibly negative, drug-induced rant. (But Bert just became further enraged and had to be wheel chaired to bed.)
by Alphonse Drizzny January 05, 2009