Green’s Dictionary of Slang

(W.I.) a term of affection, attractive, pleasing.

1942		L. Bennett ‘South Parade Pedlar’ in Jamaica Dialect Verses 9: Nice boonoonoonoos lady come, / Me precious, come dis way. [Ibid.] ‘Mass Wedding’ 17: Me meet one boonoonoonoos man / At Matchis Stick last night. [Ibid.] 49: Boonoonoonoos (term of endearment) sweet, darling, dear, nice etc.
1967		in Cassidy & LePage Dict. Jam. Eng. (1980).
1973		L. Bennett Auntie Roachy Sey (2003) 22: Yes, Puppa! What a boonoonoonoos gif fi pickney eena Child Mont!
1983		V. Bloom ‘Lang. Barrier’ in Touch Mi, Tell Mi 42: Some o’ de expressions dem im hear, / Im no badda try fe mek dem out, / Like ‘boonoonoonoos’, ‘chamba-chamba’, / An ‘kibba up ya mout’.