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v. getting you dick sucked while doing somthing hella cool like eating a sandwitch or playing video games.
Cupcake resived mega dome from buttercup while playing video games.
by tara June 18, 2006
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an unusually large head. not common in most areas of the world. Used as a noun or a nickname. e.g. He has a megadome. or Yo, Megadome!
damn, you got that size 8 fitted, you gots a megadome.
yo megadome, get me a drink.
by kurtisjax November 01, 2006
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