1. Any male human being, particularly any metrosexual man, serving as a pet, usually to rich gay men, fussy old queens, or, occassionally, to a dominatrix.
"Hey Steve! Check out my new man-pet! Isn't he adorable?!"
by jaslene June 12, 2007
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When a guy is so obedient and loyal to his girl/boyfriend, they are like a dog they can train and use.
Ben is so whipped, he's basically a man pet
by RicePudding May 20, 2016
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Obsequious male who sniffs after a suitor, male or female, who is way out of his league who will be expected to put up with all of the drudgery of a relationship with none of the benefits, most pointedly without any sex. He will be called upon to act as pyschotherapist, answer 4am phone calls, and provide transportation at a moments notice, without any complaints whatsoever.
Woman 1: "Do you guys do it?"

Woman 2: "Are you kidding, OF COURSE NOT, he's just a man pet!"
by BamKablam September 15, 2011
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A fictional man who you consider your bitch. You may feel attraction to this man, but that is irrelevant because if he were real you would not have feelings for him. It is common for liking the pet man to be a personality trait.
Samantha won’t stop talking about her pet man, Diluc from Genshin Impact. She’s retweeted 15 shirtless pics of him in the past hour.
by Dimitrimajima March 29, 2022
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