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.
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.