Grandmaster J 

A wannabe DJ who tells everyone he is a legend, without having and good reason for doing so.

'Inventor' of the child's toy masquerading as DJ equipment known as BEAMZ.

Grandmaster J: just google me!
Everyone else: We did!

beamz

Grandmaster J by UNIT8046 November 23, 2013

grandtastic 

1) expression of a positive.
2) an adjective to praise an object, being, feeling or event.

Last Christmas was grandtastic.

grandtastic by JENNA January 1, 2004

grandfastic 

Grand and fantastic set in one legit word..only used for some real dope shit

That beezies ass is so grandfastic Id hit it until my eyes bleed

grandfastic by Jamarcus November 1, 2007

GrandMaster Kush 

high quality homegrown kush that grower or dealer was too stoned to come up with a better name

dude:whats it called man?
Dealer:ummmm.......grandmaster kush
Dude: sweet ill take a 8th

GrandMaster Kush by PH@ B(A$$) December 15, 2010

gandmasti 

ass masti

gand me jab chul machi hui rehti h na ..jiske chakkaar me apne loude lagte h ..use gandmasti bolte h

gandmasti by chudakkad January 18, 2018

grandmasterboss 

The boss of your bosses boss. Sometimes a CEO or a huge prick.

Phil: Dude I killed the grandmasterboss today!
Ed: WHAT THE FUCK MAN!?

grandmasterboss by Anthony Flags December 22, 2008

grandmaster of bation 

A grandmaster of bation is someone who is internationally celebrated for blowing spunk from his junk to virtuosic standards.

Often results in great riches and fame.

Fred: You remember Ned who used to live in his mom's basement and play video games and whack off all the time?

Ted: Yeah...

Fred: Well, now he's a grandmaster of bation and lives in a villa on the Riviera.

Ted: OMFG! I'm so jealous!

grandmaster of bation by scodder February 7, 2014