Definitions from Wiktionary (pump and dump)

▸ noun:  (finance) A form of financial fraud where the fraudster buys stocks cheaply, generates excitement about those stocks to create a temporary price increase, then sells the stocks before the price goes back down.
▸ noun:  (slang) A situation where a woman uses a breast pump and then discards the milk, typically because she has had an infection, or has been drinking alcohol.
▸ noun:  (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.
▸ verb:  (slang) To use a breast pump and then discard the milk, typically because one has had an infection, or has been drinking alcohol.
▸ verb:  (transitive, slang) To have sex with a partner on a single occasion, without intention or prospects of further contact, or engaging in a serious relationship.




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