frotteur

名词 frotteur:

1. someone who masturbates by rubbing against another person (as in a crowd)

frot.teur

n.（名词）
A person who engages in the sexual act of frottage.
性别擦印画家：从事性别行为的性别艺术擦印画家

来源：
French
French
from frotter [to rub] * see frottage
from frotter [to rub] *参见 frottage