A joint that is part tobacco and part cannabis, it uses tobacco paper distinguished by its thick texture and dark brown color. Smoking a spliff results in a mild high as one is consuming less bud that has been combined with nicotine. The term is also used to refer to a nicely rolled cannabis joint.
Merriam-Webster Online Dictionary
spliff (noun) - joint
Joint, Doobie, Reefer, Blunt, J