a teacher who is jealous of her own students' talent and gives them sorry grades because she is bitter about still teaching high school.

or-

a teacher who dislikes a student for reasons of her own b/c she is a fat bitch and the student is clearly more attractive than her and keeps the student from going on competitions by illegally taking ONE grade for a nine weeks period.

A polite term for shoving a lubricated probe into the Earth's hole to release gas.

the word used to describe a teacher who is in fact a bitch..

The way a student will describe a teacher if she is a bitch