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4.
Common phrase, especially in UK/IRL. A small, propeller-driven commuter flight.
When we flew from Chicago to New York they put us on a sparrow fart...
by dhawk1 April 27, 2011
 
1.
Australian for very early in the morning.
We need to get up at sparrow farts tomorrow to catch the plane.
by JungleJumper November 08, 2005
 
2.
1. Really effing early.
2. An ineffectual or insubstantial person. Alternately, someone who is physcially slight or tiny.
1. We had to get up at sparrowfart in order to get there just as they opened.
2. My eighth grade English teacher was a sweet little sparrowfart of an old lady.
by Justin Burrows September 11, 2005
 
3.
Like crow piss - the crack of dawn
by Adam Bell July 17, 2003