The phrase is a variation of the classic "Your Mom" joke, which has been a staple of playground insults for decades. In the modern era, these jokes have been revitalized by Gen Z and Alpha humor, which often relies on "anti-humor" or phrases that are intentionally absurd or mildly provocative to catch people off guard.
Given the context you've provided, "your mom tossed my salad 21 top," it seems like you're stating or joking about achieving a significant score or ranking (21 top) in a game or competition, and you're humorously attributing your success to someone else's action (or perhaps in a joking manner, your mom's action). your mom tossed my salad 21 top
is a highly explicit and offensive insult that combines several vulgar slang terms and internet memes. Breakdown of the Phrase "Tossed my salad" The phrase is a variation of the classic