a name given to an unknown, extremely, hot female around a bunch of horny teenage boys in the process of curiously, pondering the girl's real name. Typically followed by the last name "Get it", hence "Shecuh Get it".
CM-"Daymm son, that girl is fly."
RM-"Word yo. Shes in my lunch but I dont know her name. You know her?"
CM-"Yeah thats Shecuh"
CM-"Shecuh get it"