Racing Heart, Excited, Nervous
noun, する verb, な adjective, オノマトペ
Doc, Doc (ドキドキ), listen to my racing heart. I'm so excited, but I'm also a bit nervous. ドキドキ is an オノマトペ used to describe the feeling of your heart beating fast. When does your heart race? When you get excited or nervous, so ドキドキ also expresses those feelings!
やばい、めっちゃドキドキする。
Oh man, I'm so nervous.
カッコよくて、ドキドキでした。
He was so cool that my heart was pounding.
ドキドキが伝わってきたよ。
I could feel your excitement.