Top Definition
when a male student is sitting in class when suddenly he gets a boner and he is called up to the board by the teacher.
John looks at Anna and suddenly recived a boner and Mrs. nandez calls john up to the board

Mrs. Nandez: John, cum do #4 please

John: Oh fuck, i got myself a big old claboner
by MikeManZor October 20, 2009

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