What is W7f?
Synonym for WTF meaning What The Fuck. Commonly used in web forums that use moderation and language filters. The 7 used in W7F is the 1337/LEET (Computer geeks use of numbers instead of words) way of to use the letter T. Therefor bypassing WFT/*** content filters with W7F.
ForumerA: "Saying something outrageous"
ForumerB: Dam content filter I meant to say W_T_F.
ForumerC: Just use W7F next time and it will bypass filter.