It's me, again. While surfing, I found a few nicknames for *individual* aircraft:
Air Pacific Boeing 767-300ER
Nicknamed "milkbottle" after the airline replaced its rainbow livery with, er, white. Nice aircraft, though.
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Photo © Craig Murray
Singapore Airlines Boeing 747-412
One of two specially painted aircraft nicknamed "Fruit Salad"
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Photo © Craig Murray
Saudi Arabian Boeing 747 SP-86
"Stumpy"
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Photo © Charles Falk
Aeroflot Tupolev Tu-134A
"Greenhouse"
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Photo © Uldis Pelna
United Boeing 737-222 leased to Air California
"Unical"
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Photo © AirNikon
USAAF Vultee PT-13
"Vibrator"
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Photo © Chris Barrow
Ansett Australia Douglas DC-3
"Able Buck Rabbit"
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Photo © Michael Ng
Virgin Atlantic Boeing 747 Classic
"Big Red Thing"
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Photo © Ian Haskell