Green’s Dictionary of Slang

(W.I. Rasta) angry.

1869		H.G. Murray ‘Tom Kittle’s Wake’ in D’Costa & Lalla Voices in Exile (1989) 105: Heigh! sir, ef you see how him bex!
1902		J. Speirs Proverbs of British Guiana 22: If you cuss John Crow ‘Peel head,’ guinea hen bex.
1912		C. McKay ‘Jubba’ Songs from Jamaica 10: I didn’ mean a t’ing, Jubba, I didn’ know you’d bex fe da’.
1922		(con. mid-19C) A. Gonzales Black Border 221: Now, Mimmy swell up bex, same lukkuh bullfrog.
1929		M. Beckwith Jamaica Proverbs (1970) 65: If you cuss John Crow peel-head, turkey wi’ bex.
1942		L. Bennett ‘Obeh Win De War’ in Jamaica Dialect Verses 7: Far up to now me kean fine out / Ah ’ow me gwine get bex.
1966		(con. 1947) L. Bennett ‘Big Tings’ in Jamaica Labrish 151: Parson get bex [sic] soh sey dem treat / Him like lickle pickney.
1983		V. Bloom ‘Mashalaw’ in Touch Mi, Tell Mi 15: She get bex an halla out.
1991		L.E. Adams Jam. Patois 42: A bex im bex wid har? – Is he really angry with her?