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1 definition by Dreyfuss

 
1.
n.
1: One who does not grasp the concept of caution.
2: One whose success is based purely off relentless aggression and pure luck.
3: One who likes chicken.
4: One whose battle cry consists of their own name.

v.
1: To destroy all hopes of success.
2: To rush headlong into danger without regard to consequences.
3: To satisfy one's own desires at the expense of all around oneself.
- I can't believe he just tried to headbutt that dragon. What a Leeroy.

- We were doing great until that idiot totally Leeroyed us.

- The party was really boring until Bob pulled a Leeroy.
by Dreyfuss May 11, 2005