Etymology From butt + hurt. First use appears c. 1996 in the Usenet group alt.graffiti. See cite below.
1
Internet Overly annoyed or bothered by a perceived insult or injustice; needlessly offended.
Slightly vulgar
"... oh my. dont get so butthurt, ... i cant even remember what i wrote. anyhow, no i've never been to newyork. and yes i know that graffiti started there.."1996 November 12, kev...@aol.com, “WRITERS WITH HALF A BRAIN”, in alt.graffiti (Usenet):
"Move over!" Mason motions to Glyn, as he takes a seat at the round table next to the guys. "Oh, don't be so butthurt, I was just messing with you, Bromigo," Glyn says, still laughing a bit while taking a big swig of his beer.2018 April 10, John Travis Green, “Chapter 4: The Hallow”, in The Cousin Seven: Beasts of Summer Hallow, illustrated edition, Lulu.com, →ISBN, page 39: