Walla

Came across this article randomly

I feel like now I'm going to be listening for this in anything I'm watching

This part is pretty funny

"Rhubarb is used instead in the UK where actors say "rhubarb, rhubarb", gur-gur ("гур-гур") in Russia, and gaya (がや) in Japan, perhaps in part reflecting the varying textures of crowd noise in the different countries. Other phrases are "peas and carrots", "watermelon cantaloupe" and "natter natter" (to which the response is "grommish grommish").[2]"