cool,
amazing, knarly, bomb, etc. combined into
one phrase. Historically referred to as a baker's dozen, since
anything that comes in 12 slaps.
"hey did you see the new Star Wars movie?"
"Yo
bro that shit was dozen af! let's see it together some
time"
"Have you tried the new
boba place in sanfran? I heard their milk teas are dozen!"