oiisu 

Japanese slang terminology equivalent to "wassap/sup!". Commonly used in a non-formal matter. (eg: between friends)

"Oiisu Ryusuke! C'mon hurry or we'll be late for the anime convention!"

oiisu by fumofumo June 6, 2005

Oisuga 

The slash ship between Oikawa Tooru and Sugawara Koushi

Person 1: I ship Iwaoi
Person 2: I ship Daisuga
Person 3: Obviously Oisuga is the best

Oisuga by Haikyuu Stan September 2, 2020

orisue

a clothing company made in fountain valley with some dope clothing. also means origami.

Guy #1: Damn look at that fool with those orisue.
Guy #2: Damn whered he get those at?

orisue by akademiks June 18, 2006

oissu 

Manly 'gangsta' greeting in Japanese. Used commonly by rappers/basketball players/etc and by females jokingly. Sort of like "wuzup".

Oissuuuuuuuuuu! Nanika atta?

oissu by what the christ March 20, 2008

OISUMA 

Short for objects I haved shoved up my arse (one of the greatest things ever)

What's ur favourite video
Mine is OISUMA
What is that
Look it up on URB DIC

OISUMA by Nobbybobby January 15, 2020

oisuga 

The slash ship between Oikawa Tooru and Sugawara Koushi

Person 1: Daisuga is the best ship
Person 2: No way Iwaoi is better
Person 3: Y'all be tripping obviously oisuga is the best

oisuga by oikawa stan September 2, 2020

Obisus 

(noun) Obi sus, meaning that obi is very sus. Used in a slang term for people who are homesexual or gay making them suspect

Kalma is obiwan. Obisus

Obisus by KalmaIsSuspect February 27, 2021