Act up
Act up verb - To behave badly.
Lost it
Cite this Source
Lost it and Act up. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/act_up/lost_it
Act up & Lost it. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/act_up/lost_it>.
Lost it or Act up. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/act_up/lost_it.
Google Ngram Viewer shows how "act up" and "lost it" have occurred on timeline