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Related to make whoopee: make whoopie, in favor of, for the most part, set out, refer to
1. To engage in a noisy, boisterous celebration.
2. To make love.
Celebrate noisily; a genteelly humorous term for having intercourse. In either chase, “whoopee” is the sound of enjoyment. “Makin' Whoopee” is the title of a 1928 hit song by Eddie Cantor, a cautionary tale in which the man in question goes from courtship to marriage to fatherhood and other responsibilities and finally to divorce.