Urban Dictionary: Definitions by incandescentlight

Yanxu

some shitass guy who does nothing all day
looks like a nobody but secretly sniffs drugs

person 1:look its yanxu
person 2:oh no lets go quick

a shitass who does nothing all day
runs the mafia
is annoying

person 1:oh its yanxu again
person 2:damn it avoid him quickly

annoying lil bitch who does nothing all day but be a shitass
is the mafia

person 1: hey is that yanxu over there
person 2:avoid him at all costs