kappa
n. countable C2 Proficiency US //ˈkæpə// UK //kˈæpɐ// kap·pa
n. a word used at the end of a sentence to show you are being sarcastic or joking. It comes from a popular face on the streaming site Twitch.
n. a post-sentential marker used in digital communication to signal irony, sarcasm, or a non-serious intent. Derived from a specific emoticon on the Twitch platform.
I definitely enjoy waking up at 5 a.m. every day, kappa.
He told the chat he was the best player in the world, kappa, and everyone laughed at the joke.
Learned borrowing from Ancient Greek κάππα (káppa), ultimately from Proto-Semitic *kapp- (“palm, hand”). Doublet of kaph.
From Japanese 河童 (kappa, “water imp”).
Usage
Typically used as a sentence-final particle in informal digital text; often written in lowercase.