kashoom!, excl. — Green’s Dictionary of Slang

kashoom! excl.

[ker- pfx + SE shoot/zoom]

an onomat. term indicating speedy movement.

2001

I. Lendler ‘Top Drawer’ Freedonian 20–26 Aug. 🌐 While all around them, the machinery of war whirred and whirred. Scree! Blubba-blubba-blubba! Kashoom-kashoom-kashoom-kashoom ...