Green’s Dictionary of Slang

ocean pearl n.

[rhy. sl.]

a girl, a girlfriend.

[US]M.C. Sharpe Chicago May: Her Story.
[UK](con. 1914–18) Brophy & Partridge Songs and Sl. of the British Soldier.
[UK]John O’London’s Weekly 9 June in Franklyn (1960).
[UK]G.D. Smith Cockney Rhy. Sl. 🌐 Ocean Pearl: Girl.