Simple past tense and past participle of spam.(verb)
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Use "spammed" in a sentence
"Nothing is more likely to be overlooked or purposely skipped over by a search user than a keyword spammed title that doesn't really tell a search user anything about the site."
"My understanding is MySpace doesn't want members to be "spammed" by such "friend adder" programs, and may punish people who use them."
"I could jump and do tricks anywhere on the snow, and you could say that I "spammed" the 360 as that's the only trick that I could perform consistently."