A shortened word for Kush. Kush is now the prefered Cannabis in Southern California by "ritzy" smokers. Much higher in Price than regular Cannabis Sativa.(about 200 Dollars and OZ more) Kush is Cannabis Indica, a higher quality strain. Also known in Los Angeles is "Da Ku" A Clothing Company im not sure where it is Based but i met one of the owners at Warped Tour in LA this year and i got a sticker.
Yo man pack another bowl of that ku. Hey bra chill off that ku for a while you look way to stoned.