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2.
To grind on randoms
Dude A: What u up to tonight?

Dude B: Gonna get drunk and grandom!
by Mr Grandom August 03, 2009
 
1.
a combination of great and random
Dude A:Yo ghetto people do not live in houses
Dude B: thats so grandom, dude
by ramelcy June 18, 2006