1 definition by Norttun

Top Definition
A younger man, usually well-off, who financially supports an older man (or woman) in exchange for sex and companionship. Derived from another confectionery-based term, it's the reverse of Sugar Daddy. The 'junior' refers to his youth; the mint part means money.
"I'm middle-aged, broke, and like them barely legal. I need a Junior Mint."
by Norttun September 02, 2009

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