I guess surrealism is not your cup of tuna - what does this mean?!
Thanks :)
Answers:
it means that you don't really like its like i guess painting isn't your cup of tea, only with the word tuna.
P.S. I guessed
It is a funny joke...or it isn't because you don't get it.
Surrealists put unexpected objects in unnatural forms in bizarre places...your cup of tea...if a common english saying meaning your kind of thing, the sort of thing you like...so the tea is substitutes for a cup of Tuna
How many surrealists does it take to change a light bulb?.... a large comb and a fish.