Green’s Dictionary of Slang

Robert Young n.

[rhy.sl.; ult. US film/TV actor Robert Young (1907–98)]

(Aus.) the tongue.

1967		‘Whisper All Aussie Dict.’ in Kings Cross Whisper (Sydney) xxxix 4/4: robert young: Tongue.
1983		R. Aven-Bray Ridgey-Didge Oz Jack Lang 41: Robert Young Tongue.