WTFIWTBS Share definition Flag Acronym that stands for "What the fuck is with that bullshit?" Joe: Sally always seems like she wants to S my D, but whenever I talk to her, she says she's not looking to be more than just friends Tim: WTFIWTBS WTFIWTBS by SmyDsally January 15, 2009 0 0 Get merch Get the WTFIWTBS mug. Buy Now — $32.95 See more merch