Someone who is promiscuous due to a "Fear of Missing Out" on sexual activities.
You can get so and so to do anything in bed. She's a real fomosexual.
by chaingrabber March 21, 2017
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Timmy was excited Diana was coming over and being a fomosexual, he made sure to buy a condom.
by Octajohn November 11, 2017
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The term given to a person who suffers from FOMO (Fear Of Missing Out)
"Little Jimmy never misses a party, even when he's not in the mood, what a blatant FOMOsexual"
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A person or persons who suddenly show interest in you only after learning you are in a relationship
Stason is a real fomosexual
by J crizzy August 29, 2018
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A state of arousal, desire and dread, brought on by the certainty that everyone else is enjoying more exciting, more frequent and more imaginative sex than you are.
One look from the Air France flight attendant and Albert's fomosexuality zoomed into high gear, such was the look in her eyes, the slightly disordered hair, her swollen lips, and the hushed thickness of her voice - he knew - knew! - that she had enjoyed a wildly sleepless night, had rolled out of bed just in time to make her flight, that the two men and one woman who had shared her bed were all sleeping in a state of satiation as thick and fragrant as the Cappuccino she was extending to his trembling hand as he muttered his barely-coherent 'Merci Giselle, ah, merci'.
by Monkey's Dad September 15, 2019
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To act homosexual when you really aren't, usually to get attention.
by Ryan W.S. October 14, 2008
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a person who is sexually attracted (in most cases exclusively) to a certain female with a last name rhyming with Towman, but spelled with an F and more like the beginning of the above word. A common occurrence among GLOWers, CTYers, and MIT students.
That boy with the duck is a fomosexual.
by A.B. CTYer August 20, 2011
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