Generally stands for 'What the fuck'. Most people use a question mark afterwards to get the point through. Rather than using the same term for the other 'w's, who, when, where, and why, it makes more sense to actually state the word and follow it with 'tf'

Capitalization doesn't really matter.
This term can also be likened to 'What the shit?' which is more comical and has a tantamount meaning.

this is sometimes misread by “what the fuck” but really means “well THAT’S fantastic!” or “well that’s FANTASTIC” in two ways good or bad. plz use with caution

wtf means wheres the food bc who dusnt want food?

The universal interrogative particle.

The abbreviation of, most commonly, 'what the fuck', though sometimes also 'who/why/when/where the fuck'. When used with an exclamation point instead of a question mark, it becomes an exclamation of amazement, confusion, disbelief, ect.

Both forms are often accentuated with 'mate' or preceded by 'dude'.

An overly used internet acroynm said to mean 'what the fuck'. Fun to say around old people.

WTF usually refers to 'what the fuck'. It can be used as a question, an exclamation, and many other uses.

It is commonly used in internet chatrooms where swearing is censored.

The 'W' can be used as what, where, who or when, following by the 'TF' which is always 'the fuck'

WTF is usually used with dude or mate

WTF stands for What the fuck. If you are unsure of something or pissed off or dont understand why something has happened.