Definition of "ses"

Hit the West, smoke some of that ses, you’ll probably pass out when it reach your dome.

2003 June 3, “My Block 2 Yo Block”, in That Hella-Thurl Sh!#‎, performed by Da Hol’ 9

[GDP] And I rest all day. And I stress all day. Smoke ses all day. I’m depressed all day.

2013 July 16, “Mascara”, in Holla‎, performed by GDP (musician),Wicca Phase Springs Eternal

Just deserts get served. And that’s the word. I smoke ses in my street. No big bird.

, “Raw”, in High Five‎, performed by Hitman