toking up was implied by smoky backgrounds and non sequiturial banter.
They may have to soon, since the survey shows that drivers are toking up and getting behind the wheel.
The Volcano is affectionately known as the “Mercedes Benz” of toking up.
1968, "inhalation of a marijuana cigarette or pipe smoke," U.S. slang, from earlier verb meaning "to smoke a marijuana cigarette" (1952), perhaps from Spanish tocar in sense of "touch, tap, hit" or "get a shave or part." In 19c. the same word in British slang meant "small piece of poor-quality bread," but this probably is not related.