Green’s Dictionary of Slang

(US black teen) an attractive young woman.

1945		D. Burley N.Y. Amsterdam News 22 Dec. 27: Macaroni rhymes with Tenderoni and Boots Marshall knows what’s the score.
1988		Bobby Brown ‘Roni’ 🎵 on Don’t Be Cruel [album] And if you find a tenderoni that is right for you / Make it official, give her your love.
1997		Honolulu Advertiser (HI) 11 Apr. D8/6: Because yesterday was Babyface’s birthday, Tenderoni [a pop band] sang — what else — ‘Happy Birthday’.
2004		Destiny’s Child ‘Hey Ladies’ lyrics] My man’s been cheatin’ on me / Been runnin’ round here wit’ this little tenderoni.