A fork of Rural Dictionary
when maintaining a solid A average but getting a heavily weighted B ruins your whole GPA.
Maia: "so how were your final exams?"
Rachel: "ugh, I got killer B's on all of them, they were pretty hard"
Maia: "that sucks balls"
The name for someone named Peter Bishop, and is very scientific and gay.
Student "MR Bishop, what are you doing to that gerbil?"
killer B "Nothing student, Just giving it the old Two Dogs in a Bathtub."