What is Headphones?
1.
tiny little speakers generally connected to ones ears.
man my headphones broke how am i gonna listen to my emo? *cries*
2.
Backstage on the set of movies, "headphones" means "titties".
"Damn, that girl has a serious set of headphones, and they're real too."
"Nice headphones."
See
3.
When a girl is giving head, or you are eating her out, and the person getting head, or eaten out, wraps their legs around the person's head.
Some girl was sucking me really good, so I gave that bitch headphones.
See