hand over fist

adv

Etymology: Related to earlier hand over hand, this phrase originally referred to a speedy method of climbing up or hauling on a rope.

1. Quickly or in great quantity, especially in reference to earning money.

   “to make money hand over fist”

   “Are you coming over again to see me some day soon? I keep returning, and now hand over fist, from the realms of Hades: I saw that gentleman between the eyes, and fear him less after each visit.”