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1.
Someone or something that gains benefit by being around you at opportune moments without your consent. Such as the little fish that follow sharks, or a bird that lands on Oxen to eat bugs off them
When your playing dominoes and you score a 20 and the next person in-turn lays down a blank/5 domino and scores a 25, you can call him an ox pecker.
by Elf_F*cker November 20, 2013