look up any word, like wcw:

1 definition by Jonny22

 
1.
An inflammatory term for someone who is acting weird; i.e. freakish, gross, annoying or overreacting to little things.

Also used as a generic insult with no real meaning other than to offend.

Used in a multitude of forms.
"Look at Andrew over there trying to flirt, what a grebe."

"Who's the fucking grebe who stole my wallet?"

"Dude, he doesn't want to stab us, he doesn't even know us. Stop grebin' out."
by Jonny22 September 14, 2011