carry on, create a disturbance, cause trouble, malfunction; see break down 3, hurt 4, misbehave.
"act-up." YourDictionary, n.d. Web. 16 January 2019. <https://thesaurus.yourdictionary.com/act-up>.
act-up. (n.d.). Retrieved January 16th, 2019, from https://thesaurus.yourdictionary.com/act-up
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