A Sushi~San is a weeb, with weird expertise in anime or mange. A Sushi~San is normally the awkward one in the conversation, and never talks.
by Shinji Ikari July 2, 2020

A woman cuts a small slice of her labia off for her chosen life partner to consume. Typically it is eaten raw.
Bro 1: Bro she gave me Pennsylvania Sushi last night!
Bro2: oh shit dude, you guys are gonna be together forever!
Bro2: oh shit dude, you guys are gonna be together forever!
by TheBeese July 12, 2025

How are you so bad at overwatch (or any other game), you should go sushi install.
It's people like you that want to make me sushi install.
It's people like you that want to make me sushi install.
by dvsmik3 July 13, 2017

by Obama Sushi November 4, 2020

Someone who pretends to know Japanese and chases after pretty girls yelling random gayass things.
Also see faggot-san.
Also see faggot-san.
Japanese Fanboy: KONNICHIWA SHIVA-CHAN!!! AISHITERU!!! KAWAII DESU, NE????
Shiva: Go away you fag!
Japanese Fanboy: ...*crycrycry* I'm going back to my Anime-Con!
OR
ChillinHotdog006: LMSAO XD
^the second definiton of Sushi-san
Shiva: Go away you fag!
Japanese Fanboy: ...*crycrycry* I'm going back to my Anime-Con!
OR
ChillinHotdog006: LMSAO XD
^the second definiton of Sushi-san
by Faggot-san December 12, 2008

by purplefuego June 17, 2023

- "Hey I thought chivalry was dead !"
- "That's not the same as sushi chivalry. I pride myself in it."
- "That's not the same as sushi chivalry. I pride myself in it."
by czarasmoi September 12, 2022
