The 'Lexx410 Mom?' meme originated from a viral screenshot of a Pornhub comment section where a user named Lexx410 posted the single, soul-crushing word 'Mom?' under a specific adult video. The screenshot gained massive traction across platforms like Reddit and Twitter, becoming a symbol of the ultimate 'bruh' moment and the internet's darkest fears of accidental discovery. It is primarily used to convey extreme shock, awkwardness, or the sudden realization that someone you know is in an unexpected and usually inappropriate place. The template often pairs the comment with a reaction image or a specific scenario where a character finds something they definitely shouldn't have seen.