Green’s Dictionary of Slang

1. (US) a small bit, a dose.

1997		C. Samrock posting 22 Oct. on ‘Save Skin Cap’ Group on Tripod Members 🌐 I’ve schmeared Temovate daily on my ecsema spots. It provides some relief but nowhere near the effectiveness of a quick schpritz (schmear and schpritz are medical terms, I want you to know) of Skin Cap, of which I am an ardent admirer like all your other letter writers.
2021		J. Ellroy Widespread Panic 14: A spritz of Lucky Tiger [i.e. after shave].

2. a personal view, a version.

2002

J. Ellroy ‘Where I Get My Weird Shit’ in Destination: Morgue! (2004) 33: Schofield Barracks/Hawaii/1941 – a spritz on my All-L.A. World.