be not the done thing
be not the done thing
Of a given behavior, to be unacceptable, inappropriate, or incorrect in a particular social situation. Primarily heard in UK. You should know better than to wear a skirt like that to a formal dinner; it is simply not the done thing! I'm so glad smoking indoors is not the done thing anymore!
See also: done, not, thing
Farlex Dictionary of Idioms.
- not done
- cross the line
- arsis
- arsy
- arsy-varsy
- arsy-versy
- up the booay
- discretion
- an ounce of discretion is worth a pound of wit