golfing slang - a shot that is hit thin, i.e. the club hits the middle of the ball and not the bottom, making it go low to the ground but travels (or runs) a long way down the fairway. Sally Gunnell was a 400m hurdles runner for Great Britain in the 80's/90's and won gold at the 1992 Barcelona Olympics.
Sally Gunnell - ugly but a hell of a good runner

"bad tee shot mate, bit of a Sally Gunnell that one, you got away with it!"
by molby August 14, 2006
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