snap up

verb snaps up · snapping up · snapped up

1. colloquial, transitive To buy or acquire quickly, usually because the item is a bargain or in short supply or something one has been searching for. I dashed into the mall; bought a gift; raced to the card store, snapped up a two-fer gift-bag special and was back in my car in 26 minutes. I could medal in power shopping.
2. archaic, colloquial, transitive To snap at (a person); to speak harshly to. [H]e saw Jonathan a horse-back, and, asking him how he did, Jonathan d—d him, and bid him not trouble him with impertinent questions; therefore the tradesman desired to know the reason why Jonathan snapped him up in that rude angry manner, when he had spoken to him so civilly.