The clip is credited by uploaders to Chandler Hallow, the long-running MrBeast crew member famous for deadpan reactions and running gags like being 'the loser' of challenges. 'What the heck, mom' sounds like a line pulled from a MrBeast video moment, reshaped by fans into a reaction sound on meme soundboards. Because it is only a second long, editors treat it as a throwaway punchline rather than a quote, and it keeps circulating through fail compilations, prank edits and short-form comedy videos.