>>6062946>>180893581>>6062947>>6062948>>6062949>>6062950>>6062951>>6062952>>6062953>>6062954>>6062955It's a fucking fit meme. Literally every board is claiming it as its own and every board has their own story for what it means.
In reality, some faggot on fit kept spamming "That 30 yr old who still goes to the gym" every day. His pic would show a shittily drawn aged guy.
Eventually, the meme was appropriated by fit and became gradually more and more extreme ("That 30 yr old BOOMer who still goes to the gym" - pic of 80 yr old man).
The use of "boomer" is just because the word has become popular again like "millennial" and it's funny to misappropriate it. Just like pretty much everything on this god forsaken website.