Definition of Roger's Blast in US English:

Roger's Blast

(also Sir Roger's Blast, Rodger's Blast)

noun

English Regional, East Anglian
  • A sudden small, localized whirlwind. Also "Sir Roger's blast".

Origin

Early 19th century; earliest use found in Robert Forby (1759–1825), philologist. Probably an alteration of Rodion's blast, with assimilation of the first element to the male forename Roger.