Simple past tense and past participle of freak.(verb)
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Use "freaked" in a sentence
"Andy will remain freaked throughout the weekend, so check that link over the next three days."
"The first time I clicked over to your site from a comment on Sweet|Salty, your blog title freaked me the fuck out and I was sure it was some kind of nasty prank."
"PARIS HILTON turned down the chance to have a sex doll made in her image - because the idea freaked her out."