A mushroom whelp is the aftermath of being hit in the face from ones penis. Or the raised mark left from that act.
by CoolerMan January 15, 2014
The alias of Tiffany, a member of the Korean girl group, SNSD (Girls' Generation). Notoriously known for mispronouncing her nickname, "Brighter than Jewels" Tiffany, as "Brighter than Mushrooms" Tiffany; hence the nickname "Mushroom Fany." This has caught on with the SNSD fandom and has been adored by fans alike.
by BREEZUSXQJY January 19, 2011
To leave an impression of ones penis on another persons skin(Face preferably). 2. To Dick slap.(really hard)
by don weezy July 12, 2006
Bo: Why does it smell so bad in the hallway?
Robbie: Someone forgot to spray after he finished making a mushroom in the bathroom.
Robbie: Someone forgot to spray after he finished making a mushroom in the bathroom.
by BHH_IV January 23, 2009
A situation where a man has sexual intercourse with a pregnant woman, who at some point miscarries her child on the penis of the man.
I thought it was weird enough having sex with a pregnant girl, but then we made a mushroom pie... I still haven't gotten it all out of the sheets.
by Renee D October 27, 2007
by shoeless joe March 25, 2003
A red mushroom is when a male cant get hard so he slaps his woman across the face with his jimmer-jammer untill it gets hard leaving a red mark resembling a mushroom.
"Dude, I couldn't get hard so i gave Angelina a red mushroom last night."
"Who?"
"Angelina, you know, the slut bomb."
"Who?"
"Angelina, you know, the slut bomb."
by ETK&EWTD January 23, 2006