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2.
someone that has so many STD's that they are able to hand them out as freely as a vending machine dispenses tasty snacks
diana has slept with so many guys that now shes just a STD vending machine... i wouldn't touch her unless i wanted a case of the spotted dick
by b pham September 03, 2006
 
1.
A person, generally a female, who has had so much sex that she dispenses STDs. Only after a man has paid in penis. Also see whorebag, slut, and hooker
That girl has had so much sex, she is an STD Vending Machine.
by SlemCrisco December 15, 2004