A teacher, usually of high school, who creeps on his (or her) students.
X: *shudder* Mr. Martin was looking at me funny today. It was really creepy.
Y: I know, he's such a creeper teacher.
A teacher who talks to you on facebook, myspace. a tall young teacher about the age of mid 20s, always gives out hall passes, doesnt mined you late for class. smiles alot, always happy.
tay: Did u see the new weird teacher?
gab: yeah hes a creeper teacher!
tay: yeah i know i told my mom!