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to have sex. Esp. Cowgirl Position.

Originating at Wagner College on due to the "waffled" ceiling design intended to reduce noise. Small rooms meant beds were often bunked. To put one's "Head in a Waffle" means to have sex on the top bunk.
Pete: "Christine is hot."
Jim: "Yeah I'd like to put her head in a waffle."
by WaffleMaka April 26, 2010