Beavis and Butthead lab
n.— «To set up what police call “a Beavis and Butthead” lab for crystal meth production, someone could spend less than $500.» —“What police refer to as ‘Beavis and Butthead’ labs are giving way to big setups” by Kim Bolan Vancouver Sun (British Columbia, Canada) Mar. 17, 2007. (source: Double-Tongued Dictionary)