on someone's case
Definition of on someone's case
: frequently criticizing someone or telling someone what to do Her brother is always on her case about the clothes she wears.
Word by Word Definitions
: some person : somebody
: a set of circumstances or conditions
: a situation requiring investigation or action (as by the police)
: the object of investigation or consideration
: a box or receptacle for holding something
: a box together with its contents
: to enclose in or cover with or as if with a case : encase
: to line (as a well) with supporting material (as metal pipe)
: to inspect or study especially with intent to rob
Seen and Heard
What made you want to look up on someone's case? Please tell us where you read or heard it (including the quote, if possible).