snap something up

snap (something) up

To purchase or acquire something quickly before anyone else has the chance. During the Black Friday sales, customers rush through stores snapping merchandise up at incredibly low prices. The corporation has been snapping up smaller startup companies to broaden its range of products and services.
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snap something up

tv. to buy up something. (see also snapped (up).) The customers snapped up all the humidifiers on the second day of the cold spell.
See also: snap, something, up