faire des siennes
French
Etymology
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Pronunciation
- IPA(key): /fɛʁ de sjɛn/
Audio: (file)
Verb
- (informal) to disobey, to get up to mischief, to mess about, to act up, to be up to one's usual tricks, to be up to no good
Usage notes
Not to be confused with faire sien.