Legalize nukes circulates online as a short meme phrase built around intentional overstatement, where an extreme and impossible demand is treated like a casual slogan. It spread through soundboards, gaming chats and short form edits because the wording is instantly quotable and needs no setup to understand. Creators reuse it as shorthand for going too far on purpose, especially in response to minor problems that do not warrant a dramatic solution. Its staying power comes from that contrast between a serious sounding demand and its obviously satirical use.