dressed (up) fit to kill
dressed (up) fit to kill
Dressed and made up very attractively. Typically said of women. Wow, you're dressed fit to kill—that dress is absolutely stunning on you! I felt pretty awful about myself after the breakup, but I decided that I was going to go out that night with my friends, and I would be dressed up fit to kill when I did.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.