|1.||on a sesame seed bun|
1. Part of the Big Mac description
2. Used to describe something really good whether it be cool or sexyAKA another version of "hella"
1. Two all beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun.
2. "Oh man... that guy is freakin sexy on a sesame seed bun"