Top Definition
Cosmo is defined as the action of accidentally banning someone. (Don't look at us, we don't know how either!)
Hey don't absentmindedly click on that name or you'll end up pulling a cosmo!
Don't make me pull a cosmo on you!
by lucy0600 January 08, 2019

Mug icon
Buy a Cosmo mug!
A name for someone who believes that power is the only way, however he is also a loyal friend if you treat him the right way, he has three main features Anger and greed and loyalty
To describe a person of these qualities

“You’re acting like a total Cosmo’’
by Millyfnaf June 04, 2018

Mug icon
Buy a Cosmo mug!