Marked or covered with large, irregular spots(adjective)
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Use "splotchy" in a sentence
"The art at the British pavilion, which she has called some of the “most feminine” of her career, includes a good deal of genitalia (in splotchy, impressionistic drawings) but is generally tame by comparison with some of her earlier work."
"Be careful that you don't get too "splotchy" with the green flock and end up with the dreaded "spotted cow effect" on your squares."
"A good number of early adopters are reporting "splotchy," distorted, or discolored displays (we've seen reports of dead pixels, too, though we'd actually be more weirded out if there here."