Top definition
An interjection of angry dismissal. Used to tell someone to go away, with an implication of strong impatience and disgust.

Derived from the cult Facebook game Cow Clicker.
Rosewitha kept sending me these damned FarmVille invitations, so I finally told her to go click a cow.
by saladandwaffles January 17, 2011
Happy St. Patties Day!