Top Definition
In Halo 3, getting 10 kills within four seconds of each other. It is the best medal of its kind. Yes, there have been legitimate killionaires.
To get a killionaire you need a shotgun, a BR, and lots of luck.
by Jason Brandt January 13, 2008
1 more definition
10 kills within 4 seconds of each other on Halo 3. AKA pwnage by teh 1337 hax bilso.
ZOMG A KILLIONAIRE! He got 10 kills at teh same timez!
by 1 <3 2 be 1227 January 08, 2008

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