not be someone's bag

be (not) (one's) bag

slang To be something that one is interested in or enjoys. Typically used in negative constructions to convey the opposite. Dancing just isn't my bag—I always look really foolish. You can tell just by looking at her that fashion design is her bag. School's never been my bag. It just bores me, so I've never gotten good grades.

See also: bag

Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

not be someone's bag

INFORMAL

If something is not your bag, you are not interested in it or are not good at it. They're a very successful band — they're just not my bag. `Being an umpire is not my bag,' says Anders. `I'd rather be a player.' Note: This expression may have originated in the slang spoken by American jazz musicians. They sometimes referred to the type of jazz they played, or to their own style of jazz, as their `bag'.

See also: bag, not

Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012