belive me frank us "heavies" make fun of the "fairies"all the time. if a weather radar is going round in circles give it a kick until it goes side to side if that does not work call a "fairy"
Gee, that one expression (fairy) carries a whole different connotation here in Kalifornia 
Oh just wait till he starts talking bout "crabs"..
But rather than making ya'll think:
Way back when the RAF flew Spitfires with tail wheels, all the pilot could see to the front was the engine. In order to see what was in front of them, they had to look over the side and zigzag, thus they'd be moving sideways. On landing, they would sideslip to lose height.
Because of airfield security, the only time land-locked mortals got to see the RAF anywhere near close up was during landing, take-off and taxiing, when they were moving sideways. Since only crabs walk sideways, clearly the RAF was staffed by crabs.
Another more plausible explanation as to why the are known as "crabs" goes back to the days of rum, sodomy and the lash. One of the more unsavoury aspects of the average matelot was his unfortunate habit of contracting pubic lice or "crabs" during his shore leave. The treatment for this condition was to get a chum or shipmate to apply a liberal application of a greasy blue /grey ointment ( known affectionately as "crab fat" ) to the affected area.
With the Royal Navy's usual powers of wit and sophistication the RAF were thereafter referred to as "crab fats" ( or crabs for short ) as their blue/grey uniform was exactly the same colour as the stuff that the filthy little ratings rubbed on their swollen and lice ravaged bits.
Of course we referred to the Army as "Pongo's", because where ever they go, the "pong goes". And the Navy are known as Fish Heads..
And for Oddball--I landed at Leuchars once---many years ago..
