Physical trauma that occurs during or because of sexual acts, leading to a noticeable injury that often has to be explained to others.
Bob: "Why are you limping?"
Dave: "I feel out of bed, when my wife repositioned during sex last night."
Bob: "Nice! A sex injury."
Dave: "Yeah, thanks."
any of various injuries accrued in a mosh pit where you and your nerd buddies are playingvirtual instruments on their blackberries in lieu of a band.
Leon "Dudes, I just went to Mike's sweet party and there were a bunch of nerds from the IT department there playing the Star Wars Theme Song on their Blackberries, and I was totally rocking out and hit my head on Mike's pocket protector and it bled everywhere.
Other dudes, much more cool than Leon "Dang, man, sounds like a pretty bad IT band injury."
A: Hey man, how did you break your leg?
B: It's a dri (drinking related injury), I tried to cartwheel from the pool table to the floor last night.
A: Ah. Don't worry, heaps of people do that.