Top Definition
When a math teacher slams a students head on the desk as punishment for being ignorant.
"You got an F on your exam. Headslam time, baby!"
by Jared Hannum January 12, 2005
In addition to getting headslams for being ignorant, students can also headslam as a means of apologizing
"McCarthy, Im sorry for being late. If I do headslam right now will it make up for it?"
by Geoff H March 23, 2005
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