Cock-socket vulgar slang
"Cock" is a slang word that refers to a penis.
A vagina or a part that is between the outer sex organs and the uterus of the body of a woman or an animal
It's so rude when the cock-socket of this little dog is shown like that.
A vagina.
At a much higher level than other people or things
Peter is head and shoulders above the other contestants in the competition.