Beavis and Butthead lab
n.— «In police jargon, the lab on Waverly Lake was a classic “Beavis and Butthead lab,” not much different from any of the small-scale operations that Minnesota cops now bust on a daily basis.» —“Meth Myths, Meth Realities” by Mike Mosedale City Pages (Minneapolis/St. Paul, Minnesota) May 14, 2003. (source: Double-Tongued Dictionary)