Just say "You're into a freaky power trip which I'm havin a hard time diggin" (borrowed from a Doonsebury strip from the early 70's)
The whole exchange:
Rufus: Hey you! With the weird helmet! Where'd you come from?
Zonker: How do, cap'n america! My names Zonker...coach says im playing uptight end for you. Ol zonker's got the most crazy far out hands in the country. They're just HEEWACK too far out!
Rufus: Ok weirdo, stand forward. Lets see how you handle the ball.
Zonker: Negative, captain america sire! You're into a freaky power trip which I'm havin a hard time diggin'
Rufus: ...what'd he just say?
Lineman: "no."