Wiktionary
n. The practice of an athlete progressively increasing the dosage of an illegal drug to a maximum, and then progressively lowering it, between competitions so as to reduce the chances of being caught
WordNet
n. a fraudulent business practice involving some form of pyramid scheme e.g., the chain of distribution is artificially expanded by an excessive number of distributors selling to other distributors at progressively higher wholesale prices until retail prices are unnecessarily inflated
Usage examples of "pyramiding".
Daisy had seen Pete piling up the bills as they were turned out, pyramiding to make the next pile larger.
That and the confirmation of what Wilson had written about the pyramiding of robotic brain cases.
The whole grandiose drive of the German, people under Hitler for world empire was only a pyramiding of gambles.
Daisy had seen him piling up the bills as they were turned out, pyramiding to make the next pile larger.