Bill's wife is mutton dressed as lamb

[Englishlearner]

Bill's wife is mutton dressed as lamb. (*) dresses too young for her age (*) dresses too old for her age (*) dresses in a very casual manner

---

This is a companion discussion topic for the original entry at https://english.best/questions/23998,bills-wife-uis-mutton-dressed-as-lambu/

[Torsten]

If somebody is mutton dressed as lamb they dress way too young for their age.

[Natalia_Polteva]

And how exactly do you dress too young for your age?

[Torsten]

I’m not sure but what I do know is that out of the tens of thousands of idioms the English language has created ‘mutton dressed as lamb’ is one I will never use.