Open up
Open up verb - Cause to open or to become open.
Pop
Pop verb - To break open or into pieces usually because of internal pressure.
Both terms in one sentence
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The Repository Of Dangerous Things had the main character open up an aspirin bottle, only for a genie to pop out.
Source: Jackass Genie -
In Fullmetal Alchemist, the Big Bad Father has been shown to open up a third eye in his forehead and pop out a spare philosopher's stone.
Source: Third Eye -
Almost once an episode, at the press of the Plot-Sensitive Button Megas' chest will open up and some new and never seen again Wave Motion Gun will pop out and blast the Monster of the Week.
Source: Western Animation / Megas XLR
Cite this Source
Pop and Open up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/open_up/pop
Open up & Pop. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/open_up/pop>.
Pop or Open up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/open_up/pop.
Google Ngram Viewer shows how "open up" and "pop" have occurred on timeline