What is the meaning of chew up?

verb

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APAWordNet. (2010). chew up. Retrieved February 21, 2019, from http://smartdefine.org/chew_up/definitions/1264960
ChicagoWordNet. 2010. "chew up" http://smartdefine.org/chew_up/definitions/1264960 (accessed February 21, 2019).
HarvardWordNet 2010, chew up, Smart Define, viewed 21 February, 2019, <http://smartdefine.org/chew_up/definitions/1264960>.
MLAWordNet. "chew up" 23 October 2010. Web. 21 February 2019. <http://smartdefine.org/chew_up/definitions/1264960>