Definitions by BJBone

lissencephaly 

Smooth Brained not thinking just talking type of guy with no intellect.

Guy 1: Hey you know that guy Dan?
Guy2: Yea, what about him?
Guy1: He must have lissencephaly or something because everything he says is total BS
Guy1: Agreed, Dan is smooth-brained

lissencephaly by BJBone July 12, 2021