aper 

means "brother" in the Armenian language. Often used by any Armenian male person referring to a stranger that they just met.

armenian: aper, mi hat papiros's kvares? (can u light my cig, brother?)
armenian 2: ba vonc aper (of course, brother)

aper by RABIZ November 15, 2004

Aper 

Aper is often used when someone does something that a primate (ape) would do. If someone does a low-iq play, he/she can be called an aper.

Guy 1: *Goes AFK in a chest*
Guy 2: BRO you are such an aper for stayin afk in a chest!!!

Aper by Bot ass bullshit September 1, 2020

aper 

Rumour says that aper are divine creatures. Scientists have only found three so called 'aper' roaming this earth.

Ni e aper.
aper like korv.

aper by ap January 16, 2003

Payton Reanne Aper 

PROM?
~ NJ

Payton Reanne Aper is an amazing person who means alot to me and I don't know what I'd do without her.

Payton Reanne Aper by notnmj April 1, 2019

Payton Reanne Aper 

Someone who is truly amazing in all ways possible

Payton Reanne Aper will you go to Prom with me?

Payton Reanne Aper by notnmj April 2, 2019

Aperture Science 

A company founded in 1953 by Cave Johnson, originally to create shower curtains for the U.S. Military, but went in a different direction after Johnson went insane from mercury poisoning. Most notable works include the Aperture Science Handheld Portal Device, and the supercomputer GLaDOS. Considered a rival to Black Mesa.

Aperture Science.

We do what we must, because we can.

Aperture Science by Dr. Paine July 19, 2009

Aperture 

1. A small narrow opening.

2. A fixed or adjustable opening in a piece of equipment such as a camera or microscope that lets light pass through a lens or mirror.

3. The diameter of an aperture in a piece of equipment such as a camera.

See definition of aperture above.

Aperture by Jafje April 15, 2007