"Smothinism" is the study of obscure facts about beetles, particularly those concerned with The Beatles as well. The word derives from the Greek smotos, meaning "bee", and the Latin hinere, "to tell".
There is no such thing as aircraft turbulence. This phenomenon in fact only affects London buses, but as this seems so unlikely to those with roughly average IQ or less, special damper/converters are used to channel it to aircraft, where it is now expected.