It is.
You can use it in an informal context, as an idiom, to refer to a quick or sudden movement of something. For example, "He made a slash of his hand to indicate that it was time to move on."
Then she applied a slash of red lipstick in the vicinity of her mouth.
A slash of exposed chest looked not so much tanned as cured, like unsliced bresaola.
But for the squeamish, there is also a slash of black sesame salt, a nontraditional flourish from the chef.
They are about 20 cm (8 inches) long, plain-coloured, often with a slash of white on the wings.
A slice has almost no weight at all, and then it hits you: smoke, tang, a slash of flagrant sweetness.
Behind the desk is a slash of bright blue wall with niches containing colorful pieces of art glass.
The Maastricht criteria are important, but they require a slashing of the welfare state.
Browne proposes a slashing of the government teaching grant from £3.5bn to £0.7bn.
An influx of immigrants, a relaxing of rent controls and a slashing of federal and provincial public housing budgets all account for the shortage of low-cost housing.
Alexis Tsipras, Syriza's fiery young leader, promises a panoply of feel-good policies, including tax cuts and a public-sector hiring spree, and a slashing of Greece's debt load, which stands at over 170% of GDP.
In 1996 and 1997, when oil stood high, it had an opportunity for wide reform, not least a slashing of the 1.3m-strong public workforce, but did not take it.
