When you fall for someone but they have a boyfriends.
"Yea I thought Stacy and I had something special then I found out she had a boyfriend"

"Damn bro that really is a 1una moment"
by TumorTickler64 March 1, 2021
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When you fall for someone knowing that they have a significant other.
Person 1: " Man, why are you still simping for Jennifer? She has a boyfriend?"
Person 2: " I think its hotter knowing that she's taken. Hopefully, when they break up I can swoop in and pick her up."

Person 1: " 1una Moment"
by BallandNutGrinder March 2, 2021
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