adverb taking the 'to' particle
in large quantities; hand over fist
Mimetic adverb describing earning, receiving, or accumulating money or valuable things in large amounts, often with a sense of ease or greed. Used with と and verbs like 儲ける, 稼ぐ, 入る.
株でがっぽがっぽ儲けた。
I made money hand over fist in stocks.
この仕事はがっぽがっぽ稼げるらしい。
I hear you can rake in a lot of money with this job.