similar to a moose knuckle, but on a one-testicled man. To refer to a man who is squashing his one nut down one side of his overly-tight pants.
by bdls February 21, 2009
Get the lump knuckle mug.Related Words
lump knuckle
• Lump
• Lump it.
• lump lump
• Lump Nugget
• Lump On
• lump on a log
• Lump/Lumping
• lump boy
• Lump Brisket