A person or group of people that attack someone in a hurtful way, (mentally or physically) repeatedly. Or someone named Sierra.
by Mr.PoopyButt August 17, 2018

A bully is a closet homosexual who has no personality, no friends, no family, no life, etc. They think the only way to be cool is to inflict physical, verbal, and emotional pain on others in order to make themselves feel better.
This person is a straight A student. However a group of boys always follow him around making fun of him. Don’t be a bully.
by Deal with Willy April 18, 2020

2 man and woman, most of the time named Valerie and Luis, that tend to pick on that friend that everyone makes fun of because he has no girlfriend. They are really mean and hurt feelings.
by Poland4Life April 25, 2010

A major dork with multiple psychological issues that affect his personality traits; causing him to be both a geek and a meanie.
by 243816qwer September 17, 2013

They are stupid insecure dipshits who make weaklings feel bad about themselves for their own socially enjoyable gain.
A kid walking down the hallway when the bully comes.
Bully: Hey fucktard give me your lunch money.
Kid: Go away!
The bully punches him in the face.
Bully: You just gonna take that huh you retard.
Bully: Hey fucktard give me your lunch money.
Kid: Go away!
The bully punches him in the face.
Bully: You just gonna take that huh you retard.
by Know-it-alls '-' May 21, 2014

by Downstrike September 13, 2004

We are all going on a game of the hunt, would you care to join?" to which one (in agreeance or excitement) would reply "bulli!
by mo' jeff August 22, 2010
