In any case, despite calls for MacLean's to be fired for his "homophobic" remarks, the CBC mostly disregarded these demands earlier today. MacLean has since issued a statement clarifying his joke. In essence, the joke was that in order to remove your "tarp" (shirt) during a party, you'd have to test positive for something (alcohol). MacLean was making a lighthearted drinking buddy joke that clearly didn't go down well.
Check out the rest of MacLean's explanation below: