he, she, etc. isn't having any

be not having any (of it)

1. To not want any part (in something); to be completely disinterested (in something). My mother wasn't having any of it when I suggested she come bungee jumping with us. Hiking in this weather? No thank you, I'm not having any!
2. To completely disagree (with something); to not believe something at all. I tried to pass it off like it was the dog that broke the lamp, but my wife wasn't having any of it. We laid out our reasons for voting "Yes" in the referendum, but our neighbor wasn't having any.
See also: any, have, not
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.

he, she, etc. isn’t ˈhaving any (of it)

(informal) he, she, etc. is not willing to listen to or believe something: I suggested sharing the cost, but he wasn’t having any of it.I tried to persuade her to wait but she wasn’t having any.
See also: any, have
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