Top Definition
When a guy is sitting in school, not thinking of anything sexual, and you get an erection for no apparent reason.
Teacher: "Tyler, could you come to the board and finish this math problem?"
Tyler: "Oh shit, I've got a pop quiz too..."
by Ross Sargent December 03, 2005
Something your teacher gives you, without telling you.
Teacher: All right you guys take out your pencils and pens time for a pop quiz
Student: A pop quiz, oh no, I didn't study. WELL, I'll just copy off the nerd's paper, then.
by punchie-247 July 16, 2009
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