Simple past tense and past participle of stiff.(verb)
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Use "stiffed" in a sentence
"Of course, the Volunteers would embrace anyone without a felony after Lane Kiffin stiffed them."
"I tell my friendes these awful true stories from RX and Powerline about Israel bein stiffed and they say why are these stories not in the LA Times above the fold?’"
"Right here on Huffington Post, Dawn Teo says Obama is getting "stiffed," and that complains that Obama's done quite enough already to merit the honor."