Beavis and Butthead lab
n.— «“There was a level of sophistication here,” he said. “It’s not just a Beavis and Butthead lab.”» —“Police discover a 2-pound batch of speed “cooking” while no one was home” by David Hermann in Palm Springs Press-Enterprise (Riverside, California) Jan. 17, 2004. (source: Double-Tongued Dictionary)