Conversation so far:
What was the feud regarding?
Keith had a public feud with the Dixie Chicks over the song "Courtesy of the Red, White, & Blue.
Was the feud about anything else?
well as over comments they made about President George W.
Bush on stage during a concert in London.
What did the group say about Toby ?
stated that Keith's song was "ignorant, and it makes country music sound ignorant".
How did Toby respond?
".
Keith responded by pointing out that Maines did not write her music.
What else did he say about the Dixie Chicks?
did not write her music and he does, and by displaying a backdrop at his concerts showing a doctored photo of Maines with Iraqi dictator Saddam Hussein.
How did the Dixie Chicks respond to that?
On May 21, 2003, Maines wore a T-shirt with the letters "FUTK" on the front at the Academy of Country Music Awards.

Question: What did FUTK mean?
Self-contained rewrite: What did FUTK mean on the shirt that Maines wore?