Can also mean, "why the fuck."
Wtf have none of my definitions been published on Urban Dictionary??
Generally used to imply shock that the previous person has posted something either outrageously distasteful or outrageously off topic.
Racist: says something racist
A decent human being: WTF
Where's the flamingo, to be used at the zoo when looking for the flamingo habitat.
Or used in a less literal way, when something or someone is super chill.
"Dude, Mr. Hall is such a flamingo, he let's us sleep in class."
"Really, WTF, is he in room 603?"
wtf stands for "What The Fuck".
Sometimes, when adults use wtf when kids are hearing it, they will say wtf is "What The Fish".
Person A: The bag you lent me. Well, I lost it.
Person B: wtf!?!?