motherplugger:

A partial euphemism for motherfucker.
QUOTE: Charles Panati. Sexy Origins and Intimate Things (1998): '"Motherfucker" has been unprintable until recent times. (...) The word is thought to have originated among Southern blacks sometime before the turn of the century. As early as the 1920s it began appearing in thinly disguised forms: mother-fugge', mother-frigger, mother-plugger.'

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