When a man masturbates into a loaf of bread (unsliced) then has sex with his wheat-intolerant girlfriend/partner in the sick hope that this will make her extremely ill. Also known as loaf pumping.
Bread boffing can be found in Frank Zappa's "Broken Hearts are for Arseholes" track, from the album Sheik Yerbouti. The line is "Sir Richard Pump-a-loaf, the demented bread boffer..."
by Julien Holden July 19, 2006
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