Top Definition
Getting a much needed fix of halo gameplay. Usually about 4-7 hours on xbox live. It is known to change behavioral patterns, and causes stress within relationships.

Heavy users tend to alienate those around them, unless they are playing some big team slayer beside other addicts.
"dude, I've been workin all week, I need my haloin fix"

by cosmo85 October 27, 2007
8 Words related to Haloin
playing halo and not caring about anything in the world but Masterchief...
you: wat u doin tonight?
me: Haloin it up
by louis w February 09, 2008

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