Flying Sardine Share definition Flag Nickname given to the de Havilland Chipmunk, an British military training aircraft used from 1946 to 1996. Most of us Tornado Jocks cut our teeth in Flying Sardines. Flying Sardine by JonathanChance September 30, 2003 0 0 Get merch Get the Flying Sardine mug. Buy Now — $32.95 See more merch