Blast
Open up
Open up verb - Cause to open or to become open.
Both terms in one sentence
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Some times a regular, less powerful weapon may be able to open up into one of these for a truly staggering blast, which is where this trope gets its name.
Source: Wave-Motion Tuning Fork -
Open up the editor, find a projectile-launching weapon, substitute the class name of the bullet with that of most other entities in the game world, and... voila, a Stinger that fires rockets, or ASMD blast-balls, or grenades.
Source: Abnormal Ammo -
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
Open up and Blast. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/blast/open_up
Blast & Open up. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/blast/open_up>.
Open up or Blast. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/blast/open_up.
Google Ngram Viewer shows how "blast" and "open up" have occurred on timeline