The phrase "a brush full of" is correct and usable in written English.
It can be used when describing a brush that is loaded or filled with a substance, typically paint or another medium.
Example: "She dipped the brush full of vibrant colors into the canvas, creating a stunning masterpiece."
Alternatives: "a brush loaded with" or "a brush packed with".
After dusting off Mr. Jaffe's neck with a brush full of talcum powder, Mr. Mancinelli seated another man, and in a voice just loud enough to be heard over a Filippo Valli song playing on the radio, began telling him how old-school barbers like himself "were once like doctors".
At one point a tiny girl went right into me with a brush full of paint and smiled but kept moving, intent on filling in her flowers with yellow.
Scoop up a brush full of the suds with a small amount of water and begin to scrub the wool pile in the direction from bound edge to bound edge in approximately one foot strokes.
Its snaking black lines and clustered dots look like Pollock-esque drips, even though they are actually the trails and resting points of a brush making full contact with paper.
The story unspools in soft, sleepy half-rhymes: "a little toy house and a young mouse"; "a comb and a brush and a bowl full of mush".
Another holds a can full of brushes.
Twirling around Priscilla as she makes pit stops both intentional and accidental is a chorus line zipping between roles in camp fantasy numbers — one features a kick line of glittery paint brushes, another a stage full of twirling cupcakes — and as local toughs in greasy denim.
A woman died Saturday morning after her pickup truck shot about 50 feet off the northbound Golden State (5) Freeway into an area full of brush and trees near the Glendale-Los Angeles border.
UKIP MEP Godfrey Bloom has tried to brush off describing a room full of women at the UKIP conference as a room "full of sluts" - saying it was a joke.
Once the concealer has dried, you can apply (using a foundation brush) a full coverage foundation powder on top of the area, once again using the "pat" method.
The band played a slow intro, full of brushes on cymbals and plinking keys.
