The term and adlib “Slatt” was popularized in Atlanta, Georgia by Young Thug‘s “YSL” (Young Stoner Life) gang to show a form of love for each other. Slatt!
SLATT stands for Slime Love All the Time.
The term “Slatt” has been used by Young Thug, Lil Uzi Vert, Roddy Ricch, Playboi Carti, YoungBoy Never Broke Again, Gunna, Lil Keed, YNW Melly, xxxtentacion, Trippie Redd, and more.
Read: What does “Slime” mean?