Green’s Dictionary of Slang

a-alike n.

(US Black) a kindred spirit, a like-minded friend.

Royal Flush ‘Dead Letter’ [lyrics] Put my a-alike to rest, I’m gonna stay here and live life up to best.
Lord Jamar ‘Cipher’ [lyrics] Back the fuck up, you ain’t my a-alike.
Slaughterhouse ‘All On Me’ [lyrics] My A-alike, I say it like we on some conscious shit.