(plural pump and dumps)
- (finance) A form of financial fraud where the fraudster buys stocks cheaply, generates artificial excitement about those stocks to create a temporary price increase, then sells the stocks before the price goes back down
- (slang) A situation where a person has sex with a partner on a single occasion, without immediate intention of further contact or pursuing a serious relationship.
(third-person singular simple present pumps and dumps, present participle pumping and dumping, simple past and past participle pumped and dumped)
pump-and-dump - Investment & Finance Definition
A scam in which a trader, broker, or other self-interested party promotes shares in a stock as a good purchase. While the person is heavily encouraging others to buy shares, he is secretly selling them on the market. The pump-and-dump practice is illegal.