look up any word, like swoll:
 
1.
Someone who is incredibly exciteable and down to do anything involving a physical challenge or activity. Someone who is particularly Grum.
i.e. willing to be thrown into the air by someone much larger than them repeatedly for fun.
Julian is a gnarly Grum Dog!
by T.stans March 22, 2009

Words related to Grum Dog

grum crazy horse dog exciteable gnarly