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The wondrous act of receiving head whilst playing Halo in any of its game forms.
Nubb #1: "Dude, my girlfriend totally gave me a blumpkin the other day. It was Epic!"

Player #1: "Good for you! Last night your mother gave me a Master Chiefkin while I rocket sworded some nubb across the map on Headlong!
by Billus Tizzle June 06, 2016
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