gachikoi - You're so in love with an idol that you're like a lovesick p

You're so in love with an idol that you're like a lovesick puppy who just got a new toy and won't stop barking at you.

I barked at my crush during class. I'm gachikoi.

I brought him snacks every day. I'm gachikoi.

I sent him 500 heart emojis. I'm gachikoi.