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"
by youcookedyourfoot? November 30, 2009
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."
by tony greco November 03, 2007
A name for the Plan B pill(The early abortion pill)
"Do you have a condom?"
"No but i have the Killer B pill, so we're okay"
by Jocclark May 10, 2009

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