To thrust one’s manly testicular orbs against the tender patch of flesh between a woman’s nether regions - repeatedly, with such force and enthusiasm that it might inspire both awe and minor bruising. Can also refer to cheeky prelude play, in which one’s hand “slaps the biff” to tease, torment, or tantalize.
“I dare say, after three minutes of passionate chaos, big John proceeded to slap the biffon with such vigor that Lady Mildred howled like Michael Jackson in a kids home and nearly dislodged the chaise longue.”
by Burnaldsr. September 20, 2025
Get the Slap the biffonmug.