Street Trash (1987) DVD available at Netflix

Genres: Comedy, Horror

Tagline: Things in New York are about to go down the toilet…
Plot Synopsis: When a liquor store owner finds a case of “Viper” in his cellar, he decides to sell it to the local hobos at one dollar a bottle, unaware of its true properties. The drinks causes its consumers to melt, very messily. Two homeless lads find themselves up against the effects of the toxic brew, as well as going head to head with “Bronson” a Vietnam vet with sociopathic tendencies, and the owner of the junkyard they live in.
Plot Keywords: Surreal | Disturbing | Female Frontal Nudity | Female Nudity | Breasts | Gross Out Comedy | Male Frontal Nudity | Close Up Scene | Homelessness | Gore | Insanity | Mutant

Here.