Green’s Dictionary of Slang

(N.Z.) a casual approach to someone.

1937–84		Partridge DSUE (1984) 408/1: NZ: C.20.
1988		McGill Dict. of Kiwi Sl. 46/1: float up casual approach, unexpected arrival or departure.
2003		McGill Reed Dict. of N.Z. Sl. [as cit. 1988].