During non-lubed anal sex the male pulls out abruptly and savagely, leaving the rectum in question protruding like a rolled up pink sock.
Viv: Damn girl you look sore!
Sally: Yeah that bastard I went home with last night pink socked me, and now my farts sound like a New Year's eve party favor.
The act of getting punched in the side of the head (in or around the temple area). The dome sock usually occurs so quickly that the dome sockee is usually too unexpecting to avoid such a blow, and too stunned to fight back thereafter.
Man, Jamal was just eatin' his chicken sandwich, and then THAT NIGGA GOT DOME SOCKED!