The act of engaging in anal intercourse and the women defacates on the man's penis. Then, she sucks the feces of the man's penis as if it was a choclate bar.
Man: Hey, babe you want a chocolatebar.
Woman: As long as it is king size.
Chocolate Bar is slang for a mans Wing Dang Doodle, the type of chocolate bar indicates race or qualities of the individual. For further refrence, search 'Wing Dang Doodle'.
"Damn Leilani, you almost broke Adam's Hershey's Cookies ‘n’ Creme Chocolate Bar last night."