A form of cheating in online strategy games where you join a game with multiple different accounts giving you a significant advantage.
"That guy was completely invaded on day 1 with no resistance, definitely multi-accounting."
by Onandonandomnom April 14, 2021
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Describes someone who demonstrates extreme bipolar behavior.
"She was acting SO bipolar, in fact it was more like multi-polar!"
by Caroline69 October 29, 2009
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Engaging in many small activities at once, none of which are productive. Usually, but not always, involving a computer and its applications (iTunes, AIM, YouTube, etc.), can also include watching a movie or TV show, listening to the radio, talking or texting on the phone, or any other ultimately trivial, meaningless activity.
That dude was multi-slacking like mad when he should have been working.
by Christopher K. April 11, 2007
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1. A single attack resulting in 3 or more kills, online or in real life.

2. More than one killing.
1. Ownage11 just made a multikill with his assult rifle!

2. The Green River killer multikilled lots of women.
by Ownage11 March 24, 2004
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A person who can slack off on multiple things at once. Not to be confused with a multi-tasking slacker.
Multi-tasking Slacker: I'm watching T.V., playing an MMORPG, eating cheetos, and talking to my friends on the phone instead of doing my English assignment.

Multi-Slacker: I have an English assignment due tomorrow that I haven't started, my laundry's piling up in the bathroom, and the electric company is threatening to cut the power because I haven't mailed the bill for last month.
by Fuze Defines April 24, 2007
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the ability to utilize web surfing with multiple tab browsers
I'm doing some serious multi-tabbing right now, I'm managing my fantasy baseball team, checking my facebook profile, and watching the latest Justin Bieber interview on youtube!
by hardhitr3 July 7, 2011
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being mixed with more than two races at a time, having two biracial parents.
American urban Singers of Multi-ethnic backgrounds include sean paul, tina turner, bob marley, mariah carey, don j., jimi hendrix, melanie brown, faith evans, lenny kravits, sade, mya, jhene-aiko, foxy brown, ben harper,and rozonda "chili" thomas.
by tanisha joles January 25, 2007
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