They put big brown splotches on it.
All I could see were big purple splotches everywhere.
And obvious on the first of them were big red splotches.
And this time, there might be a big red splotch.
There were several big splotches in the bloody trail; something had gone over the edge, smacking the wall on the way down.
You use acids, and they leave big splotches on the finish.
He broke off, gasping for breath and with big black splotches jerking across his field of vision.
"It looks like a big splotch of grass."
They were leaving big splotches of brushed-on dust wherever they went.
The kid also had a pastry thing with icing on it and a big splotch of jam in the middle.