A piece of jewelry often worn by LBGT people. In particular it is a big sign that a person might be bisexual
Girl 1: So you think she is bi?
Girl 2: Well she has mushroom earrings so make of that as you will.
The noise anime girls make while getting fucked
when a man's pubic hair reaches out longer than his penis does.
Ian's dick is so small he has a wild mushroom
A replacement for any curse word.
"You are a shootaki mushroom!"
Shootaki mushrooms