The phrase "copious amounts" means a large or abundant quantity, an ample amount. It is used to describe something that exists in great quantities, more than what would be considered normal or expected.
The idea being that if you wanted to pack on any appreciable muscle mass, the consumption of copious amounts of food — and in turn the resultant fat gains — was not only a necessity, but an expected part of the process. (physiqonomics.com)
Like previous years, the battery is sealed in with copious amounts of adhesive, but Samsung moved the location of the battery to dead - center at the back, with the vibration motor now located at the bottom right. (androidcentral.com)
This is home to a few small resorts the majority of which cater to Thai package tourists travelling on «3 day 2 night» tours which will include a snorkelling trip, an hour canoeing in the bay and a disproportionate amount of time spent eating copious amounts of seafood and uploading photos of themselves doing it to Facebook. (iamkohchang.com)