Pronunciation: Kat-sew-oh
Masculine japanese given name, which means 'hero', 'manly' or even 'victory' . Similar to Katsu and Katso.
Girl 1: Damn, Hailey, did you hear that there is a japanese exchange student in our school?
Girl 2: Yeah. I think his name is Katsuo
Joy overload is often used in text messages, it means you are so happy, you almost started crying. Lovechild of uwu and TwT.
Jenny: DId you heard Josie just bought a puppy?
Kale: Aw, joy-overload, I'm so happy for her!
Shovel is used when you are really hapy for someone/something. Synonyms: amazing, awesome, cool.
Annie: You won't believe this. Brian asked me out!
Caleb: Shovel! You two look cute together.