When I was in theater classes (back in the Dark Ages), the suggestion was "strawberries and banana peels." In one of David Gerrold's nonfiction Star Trek books, he mentions faking a conversation in the background with one person murmuring "natter natter natter" while the partner replied "grommish grommish grommish."
When I was in theater classes (back in the Dark Ages), the suggestion was "strawberries and banana peels." In one of David Gerrold's nonfiction Star Trek books, he mentions faking a conversation in the background with one person murmuring "natter natter natter" while the partner replied "grommish grommish grommish."