fly in the teeth of

(redirected from flies in the teeth of)

fly in the face of

To be or act in clear opposition to something else. I can't believe you said something so awful. It flies in the face of everything we stand for! Don't quit now, that just flies in the face of all your hard work.
See also: face, fly, of

fly in the teeth of

To be or act in clear opposition to something else. I can't believe you said something so awful. It flies in the teeth of everything we stand for! Don't quit now, that just flies in the teeth of all your hard work.
See also: fly, of, teeth