ZF

ZF, also known as the ZF clan or Zero Fucks clan, is a community of gamers from all over the world, who are known for their dirty humour and a wide spectrum of ridiculousness. The YouTuber and livestreamer who goes by the name of SovietWomble is often portrayed as their face and mascot, along with several other names. A lot of them stream and have their own audiences, but they are known to reference eachother quite often.

In World of Warcraft, short for Zul'Farrak, a level 40-50 instance dungeon located in the northwest corner of Tanaris, home to the Sandfury trolls.

ZFS= Zip, Flop, Suck
unzip, flop your schlong out, and have the object of your agression suck it good'n'hard.