Green’s Dictionary of Slang

smizz adj.

[? smashed adj.+ -iz- infix (1)]

(US Black) intoxicated.

Young M.A. ‘OOOUUU’ 🎵 Yo, bro, I think I had too much Hennessy, man / This Hennessy gettin' to me / I ain’t gonna lie, I’m a little smizz / I’m a little drizz.