1 definition by Khunt McCunter
During sexual intercourse between two males, when one male puts his erect penis on the other males forehead(mushroom tip on forehead) and ejaculates, while making pony noises.
"Oh my gawd ! Tom tried the wet unicorn on me last night and it was amazing ! My forehead never felt better !" exclaimed Jon to Ricky
by Khunt McCunter June 5, 2014