lowball (someone) with an offer

Translations
предложить (кому-то) заниженную цену
She lowballed him with an offer that was way below his expectations.
Она предложила ему заниженную цену, которая была значительно ниже его ожиданий.
Definitions
To deliberately make someone an offer that is much lower than what is fair, reasonable, or expected, often as a negotiation tactic.
Words
offer

noun
предложение
lowball

verb
занижать