Bud. Weed. Pot. Dro.
"Gans", is Detroit slang. Used for any bud that is good, green, weed. Gans is the bud your dealer always has. Usually pretty cheap, ranging in price depending on it's quality, which can be anywhere between mids
You can hear Big Herk, a Detroit Rapper, mention gans in a few of his songs
Also spelled ganz