bowie knuckle

Much like the movie, The Labyrinth, a "bowie knuckle" is an apple-sized lump in the male anatomy protruding in the groinal region. Particularly emphasised by tight spandex pants, or jeans. See also pud.

Girl: That guy had the hugest Bowie Knuckle I've ever seen!

by Matthew Marvin June 23, 2007