Definition of "barrelful"
noun
plural barrelfuls or barrelsful
A large amount.
Quotations
Chlorophyl is showing up by the barrelful in beauty lotions, tooth pastes, soaps, chewing gum, mouthwashes, antihalitosis tablets, tobacco and dog food.
1952 August, Kiplinger's Personal Finance, volume 6, number 8, page 32