Top definition
an ambiguous way of saying "sex partner." sounds really nerdy when people know what you're talking about.
So, he's fucking that chick over there? Yeah, you didn't know? She's his adult friend.

You look like you could use an adult friend.

My adult friend is so fun and flexble!
by AdultFriend September 17, 2010
Mug icon

Golden Shower Plush

He's warmer than you think.

Buy the plush