Here's a thread from a few years ago with the very same question:

https://www.reddit.com/r/AskHistorians/comments/1h13u3/is_it_true_that_during_wwii_pilots_would_taunt/

My answer is somewhere near the bottom, but the short answer is yes, but rarely. The only written example that I've come across (verified by other squadron members) was Pappy Boyington of VMF-214.