It basically says both trendiness and sanity has been robbed away by "W rizzlers" a.k.a. "someone with lots of charm and charisma" (by Gen Z and Alpha standards

It basically says both trendiness and sanity has been robbed away by "W rizzlers" a.k.a. "someone with lots of charm and charisma" (by Gen Z and Alpha standards), and the addressee ("blud") is frustrated ("seething") by the fact. Also, I often see such usage of the parentheses above in memes like this.