stands for What What the Fuck,
It denotes something
extra amount of WTFness that can not be represented by just WTF. First '
W' is to emphasize the impact of WTFness.
Also it shows that its that big amount of WTFness that its taking a bit of
time for digestion.
Mary: I'm pregnant
Joseph: WWTF?
* mary was mommy of jesus and joseph was her husband and they never had sex
john: dude, do you know how I can calm down a wild bull?
mark: give him a handjob
john: What? What the FUCK? (WWTF)