Definitions by Merriam Websta

jickety jack 

a word used by the bottom-dwelling population of males (usually ages 15-22) with the hopes of sounding "sweet ass" and the long-term goal of having 20 inch rims on their escalade while wearing ice.

"Yo brotha I was so jickety jack dat I thunk I's a real thug"

jickety jack by Merriam Websta September 1, 2008