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Japanese word/slang for flat chest girl.
Rushia is pettan.
Pettan by Jacktheweeb January 13, 2022
Related Words
Japanese for flat. Can be used to say a girl has small boobs.
Gura is not boing boing, so she is hydrodynamic and also pettan. Ame however, has two big floaties to help her swim, so she is not pettan.
Pettan by Wordbert December 6, 2020

Pentanium 

A derivative of the 'Pentium' processor used by non-tech saavy consumers when looking for this type of processor.
"Excuse me, do you have any Pentanium processors? You see my hard drive in my modem caught on fire and I need to replace my Pentanium."
Pentanium by Kevlar D November 10, 2007
Made up by George Ezra, meaning cool, awesome, amazing, or anything you want it to mean
That song is so petan!! Keep your peckers up!
petan by trutru2 April 5, 2015
In anime and manga, a flat-chested girl who is obsessive and/or insecure about this fact.
"You're into that anime girl? What are you, a lolicon?"
"She's not a loli, she's just a pettanko."
pettanko by theflying_clubcup January 24, 2009

Pescanecrophilla 

sexual intercourse with or attraction towards with a fish.
After watching "2 guys 1 fish" i thought it would be safer to practice Pescanecrophilla
Pescanecrophilla by OSHA 28 February 1, 2019