Green’s Dictionary of Slang

(W.I.) gossip, chatter.

1942		L. Bennett ‘Labrish’ in Jam. Dialect Poems 13: Me haffe write / De labrish wile it hot.
1959		A. Salkey Quality of Violence (1978) 81: So, you really believe that idle labrish, eh?
1966		L. Bennett [bk title] Jamaica Labrish.
1991		L.E. Adams Jam. Patois.