having a cow

Freaking out completely

Having a cow means reacting with excessive anger, anxiety, or agitation—making a big fuss over something: Don't have a cow, it's just a small dent.

The phrase suggests the absurd impossibility of the physical act to emphasize how overblown the reaction is.

Popularized by Bart Simpson's catchphrase "Don't have a cow, man."

Related

throwing a fit · losing it · losing your mind · hissy fit · freak-out · going ballistic · rant · lash out · snap · overreaction · storm off · freaking out · apoplectic · seeing red · conniption · making a scene · hitting the roof · off the deep end

Opposites
reaction proportionality

having a cowunderreacting

Insufficient emotional response

playing it cool · taking it easy · going with the flow

Family

have, having, cow, cows, cowed, cowing, bovine

Familiarity
Top 100,000
Profile
Known to kids · Timeless · Negative · Everyday, not technical · Rated G