Green’s Dictionary of Slang

(Aus. teen) a kiss with the tongue.

1975		Ribald (Sydney) 13 No. 7/4: Hollywood has its Oscar. TV its Emmy. Broadway its Tony. And now the world of suckee-fuckee has its own Golden Eros Award nicknamed the ‘Tonguey.’.
1995		P. Vautin Turn It Up! 206: [...] being an affectionate type I slipped up behind her and gave her a big tonguey in the ear.
2001		G. Killeen Hot Buns and Ophelia Get Shipwrecked 20: At 6.30 the two friends watched Neighbours and became engrossed in the plot line, which was ‘Nev kisses Bev’ (not a tonguie).