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		| Originally posted by bold_n_brazen If your grandmother had wheels, she'd be a trolley car.
 
 My grandfather used to say this.  I still ahve no idea what he meant.
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 It's meant to ridicule people who blame their misfortunes on circumstance, used as a retort to those who say "If [x] happened, I would have won." 
And I've always heard it with bus instead of trolley car.  But yours is more colourful.