"Nutty Buddies" are friends that you tend to have group masturbations with. One rule is that you must have 3 or more people to be classified as Nutty Buddies.
Matthew: Ayo, Francisco, wanna jerk it with the homies?
Francisco: Sure. Aye, Denaldo, you tryna gather all of the Nutty Buddies, which are all of our friends, for a group session?
Term used for a male to call another male when they share the same .. or have been with the same women and both have ejaculated in or on that particular female