Noun: A superior champion. A person who is above and beyond an already excellent position.
Noun: A person who is striving/has the potential to be the best, but has not yet attained perfection.
Guy1-Dude, did you hear that Jake broke the record and won states?
Guy2-Ya dude i know. That guy is a champ diesel.
Guy1-dude that kid is gona go far someday, he is a legit champ diesel