An inappropriately strong negative emotional response from a perceived personal insult. Characterized by strong feelings of shame. Frequently associated with a cessation of communication and overt hostility towards the "aggressor."
When someone is mad or throwing a temper tantrum because of a joke or something trivial. DISCLAIMER: Being butthurt does not mean someone who is mad after someone relentlessly bullying someone. Look up the definitions for Schrodinger's douche bag.
Being butthurt means being aggravated, pissed off, or bugged over something completely trivial. Usually when people are butthurt they are really dramatic about it. Most people like to laugh at or even mock the annoyance of butthurt people because their reasoning for being so butthurt is ridiculously stupid.
Guy 1: Typical Chandler is butthurt again about us drinking one of his beers and hiding his bike.
Guy 2: Yeah, he was really butthurt last night when he lost beer pong and I called him a little bitch.
Guy 1: When will Chandler ever learn to take a joke?