A ball and socket occurs when one bro goes in for the fist and the reciprocating bro acts as if he is gona bump too, but instead grabs the bros fist and shakes in a pivoting motion making for an awkward moment. Thus the ball and socket has been created.
During sexual intercourse, the male precedes to drop one or both testicles into either the vagina and anus. Suggested sexual positions for maximum effort:
Sexual see-saw, ripe plum, overpass, drill, deck chair, and the butter churner.
Adam: "Dude, why are you walking so funny?"
Chad: "my balls hurt so bad man. I tried to ball-in-socket my girl last night..in the anus."