great, good quality, nice, smooth. "Glatt" has Yiddish derivation and originally referred to the best quality of Kosher meat. Now it refers to the good quality of anything.
"That weed was glatt", "Did you see that bird I was with last night? Yeah, she was glatt" etc.
One badass mother-fucker that doesn't take shit from anyone except Steven Seagal. Also muscular and very attractive to both sexes. Testosteroneto the brim.