look up any word, like rusty trombone:
 
1.
An expert in the area betwixt the anus and genitals that also is particularly outspoken in their art, so much so that they claim a self-declared royal authority of all things grundle-related.
Mercutio- "Bend thy back, and behold the grundleking!"
by Themistocles January 17, 2007
2 0
 
2.
1. A guy who pulls a lot of box. (see grundle)
2. The villain in My Little Pony cartoons.
by Iz Markie June 03, 2003
8 6
 
3.
Synonymous with Matt Beavis. Enemy of Little Ponies, and Ruler of the Pick-up Soccer Field.
Man, the Grundle King just scored again!
by Dweebis August 07, 2008
3 3