Top Definition
Pronunciation: Jer-e-ak-nee

A disorder of the skin caused by inflammation glands and hair follicles; specifically; a form found chiefly in already disgusting elderly, or "geriatric" individuals. Typically identified by pus laden marks on the face however, geriacne can be found all over an individuals wrinkled and otherwise unappealing body.
My chief concern as I age seems to be whether or not I will experience geriacne.
by Nellers October 23, 2006

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