Green’s Dictionary of Slang

’gnac n.

also yak
[abbr.]

(US black) cognac.

[US]Dr Dre ‘The Next Episode’ 🎵 Dre and Snoop chronic’ed out in the ’llac / with Doc in the back, sippin on ’gnac (yeah).
[US]G. Pelecanos Night Gardener 130: Ain’t no reason for you to be drinking from a one hundred fifty dollar bottle of yak.
67 ‘Take It There’ 🎵 Make blood spill, not 'Gnac .
Young M.A. ‘Karma Krys’ 🎵 You got me smoking this black, thinking, sipping this yak.
67 ‘Fuck You Feel Like’ 🎵 Its the Yak / If you had some of the Hennessy you’d be doing this too.
[UK]G. Krauze What They Was 98: Ryder’s boy says I’m so mashup and his thing says pass the yak then b.