1 definition by K.O. Reilly

1. An common office tool/school supply used to put three holes along one side of a piece of paper for easy insertion into a three-ring binder.

2. A sexual euphemism for copulating all three orifices of the female anatomy.
I gave your mom the ol' three-hole punch last night.
by K.O. Reilly May 08, 2006

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