1 definition by 3rikasan
A slang term used to define women's breasts. Usually big ones which stand out and grab the attention of all guys as if they were checking out other guy's packages in a locker room.
Emily: "I'm going to punch you in your up-nuts."
Ashley: "Go ahead, they're still bigger than yours."
Ashley: "Go ahead, they're still bigger than yours."
by 3rikasan February 10, 2012