To strike with a fish while running by; a drive-by performed with a fish.
My God, did you see that slapdash a second ago?
by Lord Timothy June 10, 2007
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cantalope antalopes and sharpies and mitch!
twichy mitchy
by d-dog July 8, 2003
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After a (preferably hot) curry, covering the breasts of your partner in liquid filth and receiving a tit wank
My girlfriend's a dirty bitch, she even lets me give her a Bombay Slapdash.
by Jonny Hotplate October 9, 2003
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