Osu

Mostly use in Nigeria among the fraudsters to describe a victims who got into their traps

I don catch Osu.

osu!

A free-to-play (F2P) rhythm game, developed by the Australian Coding Genius Dean 'Peppy' Herbert. Originating from the japanese Nintendo DS Game OSU! TATAKAE! OUENDAN!, peppy wanted to have a PC port of it, and several years later, many people are still playing it to this day.

Friend: Yo! Have you heard about that new game called osu?
You: Yeah, i heard it's OSU! TATAKAE! OUENDAN! just for the PC.

osuing

To play osu

Edward is osuing!!

osu! nails

A specific way that girl osu! players get their nails professionally done, most commonly with acrylics. The new nails are done on every finger except the two that they tap with, making them still able to play their favorite game while looking pretty

I have my nail appointment tomorrow! I hope they dont give me weird looks when I ask for the osu! nails. I can't handle any more embarrassment.

Osu! Day

Osu day is on July 27th, this is because in America, along with other places, the date shows up as 7/27
727 is memorable because of a player called cookiezi who set a play on a map called Blue Zenith,
that score was 727PP, which then led to the community saying:

727 WYSI

WYSI Bro, that's crazy. Still looking forward to Osu! Day.