faire des siennes
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French[edit]
Etymology[edit]
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)
Pronunciation[edit]
Verb[edit]
- (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[edit]
Not to be confused with faire sien.