To smoke or puff on (typically) a blunt; however, often used to describe smoking a joint— even rarely a cigarette or ePen. Yoafing on a blunt typically refers to said blunt being smoked in a somewhat agro manner.
Homie: You want some of these dank edibles?
Me: Nah, fam, I’m finna yoaf this fatty blunt I just copped.
Coworker: “After work, let’s yoaf this fat ass blizzy, get higher than giraffe pussy, and chill on da couch till we figure out what we wannna do this weekend. Should be lit!