SB is a very common chinese slang for "dumbass, moron", pronounced "shar-bee", used by every generation in China, from teens to grandpas.
Two chinese guys were riding bicycles. All of a sudden, one guy spit up in the air, the guy behind him caught some of his saliva in his face, then went furious.
MAN1: Hey! Hey!!! @#&#$!!!
MAN2: Huh??? SB!!!
MAN1: @#&%$!#$ !!!!!!!!!!!!!!!!!
10👍 9👎