Bally Jerry would probably be a German with some balls?
Pranging the kite in "how's your Father" would be showing up behind you in his aircraft?
Hairy blighter, - I have seen "hairy" being used as "dangerous", "close call", - let's call it a close call.
Dicky-birdied, - now that one would refer to a maneuver, but which one? "I dickie-birdied"
Feather back on ones Sammy, now that is tougher. Ideas?
To take a waspy? They sting, don't they?
Betty Harper? A hot girl in a 1930's western, which means ...what?
The can? The aircraft
Bertie? Bertie Wooster? A rather silly/unlucky/clumsy fellow from P.G.Wodhouse's novels from the 30's, a very popular reading material during WW2. Beautifully displayed by Hugh Laurie in a British TV series from the 90's or so.