Something very funny, communicated online. The idea is that it's so funny that it causes you to spill and/or cough your drink onto your keyboard, shorting it out.
l4mez0r: ...and she said, yeah, but not with *that* spatula!
d00derino: LOL keyboard kill!
by Shoutingboy March 11, 2011
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When you are online on Myspace/MSN/Facebook etc and are having a fight with someone else. it is full throttle keyboarding slamming out payouts and put them down.
girl one: "lets do some keyboard killing"

girl two: "ok"

girl one: "OMG YOU ARE SUCH A LOSER AND YOU HAVE NO FRIENDS AND EVERYONE HATES YOU"

girl two: "YOUR SUCH A SLUT AND EVERYONE KNOWS WHERE TO GO WHEN THEY NEED A F*^K. YOUR REALLY UGLY AND YOUR ARSE HAS ITS OWN POSTCODE"

girl one " OHKK, you just keyboard killed me"
by mishy!=] August 18, 2009
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