Ostend Manifesto 

that bullshit thing from apush that we all remember but don't know what the hell it means

guy1: hey what was the ostend manifesto again?

guy2: idfk

Ostend Manifesto by andme February 23, 2022

ostentatious ostriches 

group of people who love materialistic things

Oh those ostentatious ostriches only want more rings and diamonds but never want love.

ostentatious ostriches by slimjim256 September 25, 2012

ostensible 

appearing as such but not necessarily so

the second horse was the ostensible winner

pouser

ostensible by jairo arroyo September 20, 2007

ostensibly 

Outwardly, Supposedly. The most likely assumption

The ostensibly heterosexual man keeps threatening to shove things up his co-workers asses. The No Child Left Behind Act is ostensibly for improving education.

ostensibly by Jimmer September 3, 2004

Oostende

A city which is located on the coast of Belgium.
People tend to beat each other up in Oostende.
But, there are also lots of friendly people.

Person1: I wanna go beat somebody up
Person2: Let's go to Oostende then

Oostende by lolwas June 27, 2010

ostensible layer 

an unfortunate and rather concrete layer of reality created as a coincidental byproduct of ambiguity in communication through an inadequately defined, poorly understood, and intentionally abused sub/urban vernacular.

on the ostensible layer, me & that ho are not together; however we still live together, have sex, and are engaged to be married next june.

ostensible layer by ms. communication October 17, 2008

ostentatious 

intended to attract notice and impress others.

Ashley is so ostentatious, how she dances around the school all the time.

ostentatious by bert mccracken August 26, 2004