Osaac 

A misspelling of the name "Isaac", and somehow surprisingly funny.

Frederick: "Hey Osaac, want to hang out?"

Isaac: "hahaha Osaac lol"

Frederick: "lol"

Osaac by Manamajef August 31, 2017

Osamacare 

A word used to cast obamacare in a more negative light by combining it with the name of the (former) leader of Al-Qaeda Osama Bin Laden.

Hey Did you hear about all the people who are losing their health care coverage under the affordable health care act!? Obamacare! They might as well call it Osamacare!

Osamacare by BroccoliW November 12, 2013

Okaacon 

The opposite of Lolicon an Okaacon has an interest in older women with motherly qualities. The word comes from okaasan which is mother in japanese and complex which is shortened to con. Usually the women are older this can be an older sister or woman who are Busty and have a Bigg Ass. In anime they usually are either really sluty older woman or a Housewife in art. This can be in art or in real life though usually is found in the anime community much like its opposite Lolicon which is found mostly in the anime community.

Guy A "Gotta love a loli. Hope the police dont find my collection LOL"
Guy B"Man, i'm a okaacon i don't like loli. Also i won't get arrested at any moment..."

Okaacon by LargeButtman September 4, 2016

Osackay

Having sex while immgratig to another country illegaly

the ride to from cuba to america was tough
Not if you had an osackay

Osackay by lionofzion June 5, 2009

Oslach 

A really kinky guy who is hot. See you at the library, Wink.

Oslach is a very sexy beast, wink. (I use leather-- call me *roar*)

Oslach by The guy at the gay bar. July 26, 2003

osiac 

A funny guy with big muscles and a giant penis

Osiac fucked my gf
My gf blows Osiac

osiac by Oase November 20, 2021

osaatsu

the best haikyuu ship

Dude I fucking love osaatsu, they the best incestuous pair!

osaatsu by Landland April 11, 2022