Simple past tense and past participle of five.(verb)
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Use "fived" in a sentence
"At other schools, Brandon Davies might have been high fived."
"It had taken him four days to finish it, and when he finally did, the fourth-grader at Martin Luther King Elementary School in the District jumped up, yelled and high-fived all the other kids in his math class."
"The 38-year-old actress high-fived Violet, 4, and even turned her upside down!"