Derisory term applied to someone as a consequence of their disappointing or unfulfilling sexual performance.
"We was at it for ages last night an' he still never got me up the mountain. After half a shandy he's a proper singlespeeder, and he just has to get off and wank/walk".
by Bill Wankly July 17, 2008
One who talks shit while on a balcony while wearing a brown cashmere sweater
Come down here you little Single Speeder!!
by FLiveroay June 08, 2010