ETYMOLOGY
possibly a corruption of French belle bonne or belle et bonne (fair and good);
if not a humorous perversion of bonnibel (fair maid, bonny lass)
EXAMPLE
“…PERIGOT. The while my Flock did feed thereby,
WILLY. The while the Shepherd self did spill:
PERIGOT. I saw the bouncing Bellibone;
WILLY. Hey ho Bonnibel!
PERIGOT. Tripping over the Dale alone,
WILLY. She can trip it very well…”
From: The Shepheardes Calender
VIII: August
By Edmund Spenser, 1579
Lexicophilia 