tabbed, adj. — Green’s Dictionary of Slang

tabbed adj.

[? SE tab, a label]

(US black) well-dressed.

1980

E. Folb Runnin’ Down Some Lines 111: There is even a larger vocabulary that refers to being well dressed (tabbed, suited down, decked out).

In phrases

tabbed to the bone (adj.) [to the bone under bone n.¹]

(US black) dressed in one’s very best, most fashionable clothes.

1992

R.C. Cruz Straight Outta Compton 18: Flip [...] pointing to the threads he had on as if he was clean/fonky/mod/ragged/sharp/silked and tabbed to the bone.