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A word in Japanese meaning breasts in a horny way.
We English speakers say tits meanwhile the Japanese say oppai
Lamar: Man she got a big ass oppai, your sister.
Jack: Fuck you!
Oppai by That boring guy March 27, 2018
Related Words

Oppaitology 

A cultured religion that worships oppai (boobs), especially anime boobs and the relevant physics involved. A rival religion of the adonitology faith.
"Worshipping curvy butts is good and all, but oppaitology is better!" ~ some hentai connoisseur and oppai worshipper (that's what he called himself)
Oppaitology by Phantom2682 October 25, 2020

oppai loli 

Japanese slang for younger girls with abnormally large breasts for their age, often featured in lolicon.
Friend 1: Is that lolicon? You're fucking sick, dude.

Friend 2: It's okay, because she's an oppai loli!

Friend 1: God damn it, you weeaboo faggot.
oppai loli by TeaLobster13 July 20, 2011
japanese. (usually, a woman's) breasts. a tasty treat.
large chested waitress: Would you like any appetizers?
customer: oppai, I'll take two.
oppai by pokute May 1, 2004

Oppiside 

Oppiside is an eggplant that is in love with his editor/slave Lord DoomsDay
Oppiside better make moaning asmr!
part of chest for girls (japanese word of boobs)
may be flat or big
i love oppai
oppai by AnimeFreak1200 September 7, 2016