Green’s Dictionary of Slang

spray n.

1. (US Mex. teen) lighter fluid used as an intoxicant .

[US]L. Rodríguez Always Running (1996) 102: Spray was dangerous [...] while on spray I yelled, I laughed, I clawed at the evening sky.

2. (Aus.) a voluble (and boring) conversation; thus a scolding.

[Aus]M. Coleman Fatty 227: ‘We pointed him out and he went over and gave him the biggest spray you’ve ever heard’.
[Aus]Bug (Aus.) 14 Apr. 🌐 Using the Fatty, er.... I mean Footy Show for his latest spray about his fellow commontattas in the media was a tad hypocritical.
[Aus]Bug (Aus.) Nov.–Dec. 🌐 Or, don’t even bother to ask him, he’ll give you a spray on every conceivable vaguely-rugby topic, anyway.
[Aus]N. Cummins Tales of the Honey Badger [ebook] [He] gave me the kind of spray usually reserved for the parking inspector.

SE in slang uses

In compounds

sprayhead (n.) [-head sfx (4)]

(US teen) one who inhales the fumes of spray paint.

[US]G. Sikes 8 Ball Chicks (1998) 141: They’re known as sprayheads. You fill a soda can with gold or silver paint, put a pop-top in the bottom, or a piece of glass or a rock, and shake it around to keep the paint from drying up, then suck it in. You trip.