A 'sherm', simp, loser with a knack for acting big and bad. A poser who acts hard but in reality, is soft. A pussy, a scaredy-cat, etc.
"nah, he really a smoofie ass bitch"
"wait till I spin dat block"
"ya smoofie ass aint spinning nada"
Did you hear about that one kid that got smoofied? That was tragic.