Top Definition
The practice of placing an improper blank placed before a punctuation character.
People who plenk are dumb !
by skinjob November 27, 2007
1 more definition
The underside of the chin describing the space above the adams apple. Usually describe in a sexual interaciton.
She got a protean shot in the plenk
by equinox/loki November 23, 2005

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