Best definition
What the fever
What the fever is the P.C. way of saying What the fuck ever.
Classically, WTF translates to What the Fuck. Toss

the ever on the end, and you’ve got WTFever. Break it down now, What the fever. P.C.

Sue: Hey Betty, if you eat that entire pint of ice cream you’re gonna gain five lbs.

Betty: What the fever, this is delicious.

Jon: You want another shot, man?

Bob: what the fever. I’m down.