Freak in the Basement(2018)

Overview:

Nicolai Sctulman has got a big secret - in his garage basement there lives a hideous Freak. The two have a twisted arrangement together, Sctulman kills people and feeds them to the monster living in his basement in exchange for a strange but addictive green slime that the Freak gives him from his sweat which is "the best drug in the universe".