go a bundle on
not go a bundle on (something)
To dislike something. Primarily heard in UK. Based on her frown, I suspect that the boss doesn't go a bundle on the idea I came up with.
go a bundle onbe very keen on or fond of. British informal
In this idiom, bundle is being used in the late 19th-century US slang sense of a bundle of money, i.e. a large sum. To go a bundle on was originally early 20th-century slang for betting a large sum of money on a horse.
1968 Adam Diment Bang Bang Birds I don't go a bundle on being told I'm a pro.