A chess player of the highest caliber and greatest skill. Only the strongest of professional chess players, typically having a FIDE rating of 2600 and above. A vary prestigious and rare occurrence, only 400 or so living in the world. The United States Champion would be a Grandmaster.
The state champion at age 13, Daniel was touted as a possible future Grandmaster.

He beat everyone in the city with ease, but was demolished when he finally played a real Grandmaster.
by Schweinsberg July 27, 2004
Get the Grandmaster mug.
A Grandmaster is someone who asserts male dominance in the presence of females in an attempt to impress them. A trait of a Grandmaster is to throw up a spiderman hand symbol in all pictures, this hand signal tells all other males to stay away because the Grandmaster has claimed his territory.
That kid is pulling a grandmaster in front of all these girls.
by Ronald McLikesChildren April 1, 2019
Get the Grandmaster mug.
Grandmaster is a rank I'm overwatch that only the top 1% can achieve
Ed:"Last week I finally hit grandmaster"
Leo:"I can't seem to get out of silver"
Ed:" maybe stop playing hanzo"
by Duck man 4 September 10, 2017
Get the Grandmaster mug.
A MASTER DJ (Disc Jockey) One that is very skilled in the art of turntablism.
by DJ Scary G December 9, 2003
Get the grandmaster mug.
A person of the upmost uberness, a banterholic of the greatest degree and leader of the grandmaster alliance.
In the beginning grandmaster created the banter and the alliance.
by Harold Shippman April 29, 2005
Get the grandmaster mug.
if you want to do that sort of thing ask the grandmaster first.
by mark October 12, 2003
Get the grandmaster mug.