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The act of receiving oral sex during a game of Halo 3 multiplayer.

Invented by Mark Santiago and first used by him in April 2008.
So this drunk chick totally gave me Halo Dome last night while playing Team Slayer.
by SmokinGiant March 28, 2009
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The act of reciving dome, head, oral, sexual mouth to penis pleasure while playing halo 3.

aka almost as good as a blumpkin.

may cause loss of levels.
My girlfriend said shes the best girlfriend there is because instead of bitching at me to stop playing halo but rather gives me halo dome.
by mikey mike mcmichael January 04, 2009
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