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lash into (someone or something)
1. To attack someone or something, either physically or verbally, with intense and sudden anger or aggression. The boss lashed into the intern for mixing up the documents for the year-end audit. The farmer lashed into the mule with his whip.
2. To begin eating something very hastily, greedily, or voraciously. The boss lashed into the intern for mixing up the documents for the year-end audit. The farmer lashed into the mule with his whip.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
lash into (someone or an animal)
to attack someone or an animal—physically or verbally. Dad lashed into my brother, who had smashed up the car again. Walter lashed into the cat for tearing the upholstery.
lash into something
to begin to eat something with vigor. Mary lashed into the huge ice cream sundae, and ate almost the whole thing. The workers lashed into their lunches and did not say a word until they had finished.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.