What is the English meaning of Malayalam word vachassu?

The Malayalam word "vachassu" (വാച്ചസ്സു) doesn't have a direct English equivalent. It's a colloquial expression used to convey a sense of "Really?," "Is that so?," "You don't say!," or "Wow!".

It expresses surprise, disbelief, or amazement, sometimes with a hint of skepticism or amusement.

Here are some examples of how you could use it in English:

* "Vachassu! You really went skydiving?" (Expressing surprise and a bit of disbelief)

* "Vachassu! They won the championship?" (Expressing amazement)

* "Vachassu! You ate all that food?" (Expressing a mix of surprise and humor)

It's important to understand the context and tone to get the full meaning of "vachassu" as it can be used in both positive and negative ways.