1 definition by Idonfuckwu

The most incredulous of the wtf's, what the sincere fuck is used asking for clearification of something so fucking terrible it is hard to believe and one using wtsf is often looking to deny its happening or existence in the first place.
Bitch 1: The exam date has been pushed up 'cause of crysler's surgery
Bitch 2: What the sincere fuck??!!!
by Idonfuckwu December 16, 2015
Get the what the sincere fuck? mug.