Forget boxers or briefs, this is the age-old question. The folks over at BuzzFeed tackles this debate by conducting a seven-round test. They enlisted, possibly an intern, to get really drunk one night and really high on another. From catching balls, drawing a picture, exercising or dancing, this poor sap clumsily executes each task. The most remarkable comparison is when he’s required to assemble Lego pieces. The result is rather outstanding. Watch the video below to see which behavior-altering substance is more conducive to being functional.