Apparently that term is used by a tiktoker. I found heaps of random cheats with that reference, but all of them looked like scams and copy pastes from one another so I wont link them here.
"Term generally used in @
avee's TikToks. The boy in question uses it to tell the "boomers", or those elderly people who do not know the terms young, to shut up. In Roman slang "accatena"" What I found about the actual term itself.