Simple past tense and past participle of slam.(verb)
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Use "slammed" in a sentence
"The word slammed into her, and she felt its impact but couldn’t make sense of it."
"CXP or ANY similar, ambitious version has already been slammed from a great height by certain personalities, some of whom may as well be called "The Usual Suspects"."
"I thought Sarah Palin slammed it? charlie in Maine"