Being so fucked on any type of illicit drug you lose control of your facial features. Most commonly induced by poppers or exctasy.
"check out james or should i say junk face his own mother wouldn't recognise him in the state he's in"
by Brano December 15, 2008
The gross over-modification of the face through either piercings, plastic surgery, tattooing, or some combination that completely changes the appearance.
She used to be such a beautiful model until she junked up her face with fake lips, plastic skin, and enough piercings to make a biker blush.
by Plasmaguy January 29, 2016