Overplayed his punt; (v) When someone does something that ends up way more remarkable than his initial effort.
When you see a total dork-ass feeb with a hot chick, you say; Wow, that dude really overplayed his punt to end up with her!
It's like when a football team recovers the ball and scores on a kick away.
When a guy pulls of a terrible pick up line, but gets laid anyway.