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general::
Phrase(s): drop a bundle (on someone) [and] blow a bundle (on someone)
Inf. to spend a lot of money pleasing or entertaining someone. • I blew a bundle on the candidate, and it didn’t help me at all. • Over the years, I’ve dropped a bundle on clients at that restaurant., Phrase(s): drop a bundle (on something)
Inf. to pay a lot of money for something. • Pete dropped a bundle on this car. • I always buy old used cars. I’ve never dropped a bundle on any car.
McGrawhill's American Idioms And Phrasal Verbs