short for amazing....started out as amay, but evolved to baymay, or baymotherfuckinmay...must make an exaggerated face while saying it, and nod your head like a retard.
"Dude, I found your bong. It was under my bed."
to eat a lot of food, especially when high
"im mad baked, lets go mao face on some doof"
"im gonna mao face on your sisters box"