Sam Claxton

Someone of high stature. Often seen as a super human or god.

Other meanings can mean loser or someone of lower social standing.

Meaning One:
Girl One: Did you see him?
Girl: Ikr what a Sam Claxton

Girl one: I want him

Meaning Two-
Person one: So why didn't you invite them to your party?
Person two: He was such a Sam Claxton