The phrase is Russian slang, with pushechku meaning a little cannon, and the clip circulates on meme soundboards under its transliterated title nu ka zaebash nam pushechku. Tags linked to the upload point to short meme sharing rather than a confirmed film or show source, so its history is mainly online. Russian speaking creators pass it around as a reaction line for builds, shots and reveals, while other viewers use it simply for the energetic delivery. Its crude, hyped tone keeps it useful for edits that need instant escalation.