What's your favourite expression to say "are you taking me for a fool?" ?

Australia: ‘you taking the piss?’

i dont have a reply to that

I dunno, maybe, "Why bless your pea-picking, remedial course-taking heart." ??

I'm not as green as I'm cabbage looking.

I didnt come down in the last shower of rain

"Are you yanking my chain?" 😁

Don't play me!

Do you remember that scene in The Thing? Well a head didn't just grow legs and become a spider but you've got to be f*cking kidding.

I may have been born yesterday but I stayed up all night.

'okay'.

It's not the word, it's the tone.

"Do you think I came down the Clyde on a banana skin??" 🤣🤭👍

Don't piss on my head and tell me it's raining.

Whatchoo talkin' bout Willis?

Do you have a source for that?

"I was born at night, but it wasn’t [b]last[/b] night."

'Go piss up a rope!' I wonder how many of them tried to do it.

“Are you taking the piss?

This isn't my first rodeo.