Fucktape, a derivative of Fucktard, its purpose while primarily derogatory will have the additional functionality of confusing and bewildering the victim. Best used out of the blue in a SMS message against an unsuspecting target for greatest impact.
Princess: "Fucktape"
Hellboy: "WTF?"
An exclamation of despair or disbelief employed by those of Scottish descent may often be used to identify those attempting to hide or obfuscate a Scottish accent.
Dave: “WTF, You have just accidently sent me a picture of Vegeta bumming Goku”
Gerry: “Ach Nooo”