Used by RTOs (Radio Telephone Operators) in return to a message that makes zero sense.
Alternately "DWTFO" - "Duh, What the Fuck, Over".
Usual response is "YGBSM" - "Your Gotta Be Shit'n Me"
Delta Tango 7, Charley Bravo 6, our np (night position) completely surrounded, over.
Roger Bravo 6, blow your bush (set off your ambush), over.
WTFO Tango 7? YGBSM!, over.
As in the throttle of any various vehicle. When the throttle is Wide The Fuck Open, the engine is allowed all the air it can use to make power.
A favorite among dirt trackers, four wheelers, drag racers, etc.
Dude 1: "Did you see him nail it comin out of the mud?"
Dude 2: "Yeah, he had that fucker pinned!"
Dude 1: "WTFO and slingin' some shit!!!
Dude 1: "How'd he come from 2 laps down to winnin' the damn race?!?"
Dude 2: "He held it WTFO the last 6 laps, damn near burned the right rear tire off!"
A response to a non-sensical statement or non sequitur, not used in face-to-face conversation.
Person1: So, then he says "Well, boss, I'm glad you finally decided to go ahead with my idea."
Person2: His idea? WTFO?
Person1: I know, he is totally delusional.