To defeat or pulverize; to completely overcome somebody in an argument/battle/conflict, often resulting in their humbling humiliation. Similar to 'annihilate'.
by Richard Watts October 7, 2004
A complex noise made by a dog; gro - growl, b - bark,ul- howl (from ululate). (This meaning first came into use in 1999.)
The dog grobulated at the postman.
by John A Law October 28, 2006