Only being attracted to Jeon Jeongguk from kpop group BTS
Person 1: "that guy is into you, you should go out with him"

Person 2: "sorry, i'm koosexual"
Person 1: "You’re what?"

Person 2: "I'm koosexual"
by Jeonggguk September 27, 2020
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Koosexual, only being attracted to Park Koo. If you are Koosexual, you are not anything else. You only have eyes for Park Koo.
“Hey what are you?”
What do you mean?”
“Gay, bisexual, lesbian, pansexual?”
“Oh I’m Koosexual.”
by Park Koo February 21, 2021
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