Top Definition
The Boner Howitzer was originally a concept invented by two kids in Kentucky. Its origins can be traced to a combination of Jewish-based hilarity and Penis-based comedy. The two came together to form the "Boner Howitzer". Typically, this is used as an expression of something being funny.

This term has also been used to describe a post-medieval style cannon shooting what appears to be a large phallus ejaculating upon itself at extremely high speeds.
Guy 1: "BONER HOWITZER!"
Guy 2: "WTF?"
Guy 1: *chuckle chuckle*
by Bhowitzer69 April 29, 2009

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