slang - Meaning of the statement "Are you playing thick or just are? "

Somebody told me

Are you playing thick or just are?

in the middle of a conversation. and I didn't know its meaning. I searched for "play thick" in Google, but I didn't find anything.

1. Is “are you playing thick” slang?


2. What does it mean?

Answer

I think here playing thick refers to 'pretending to be fool', so the the person is asking, "are you pretending to be a fool, or are you a fool?"

• Informal Lacking mental agility; stupid.

(AHD)