Black On Both Ends
Someone who is well endowed, both in the pants and in personality. Usually the life of the party, confident but not overly cocky. Easily the coolest person in the room.
"I got to talk to Hansel at the party last night, I think I'm in love! He is so interesting, and great in bed."
"You and everyone else Britney, he's black on both ends!"
"You and everyone else Britney, he's black on both ends!"