Green’s Dictionary of Slang

(W.I.) a faithful lover; thus pickney stuckadee, an attractive, still-virgin girl.

1943		cited in Cassidy & LePage Dict. Jam. Eng. (1980) 427/2: stuckedee [...] a ‘stretched’ form of stucky.
1983		T. White Catch a Fire 123: ‘Pickney stuckadees’ (attractive young virgins).