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The type of large, non-flat, see-through plastic lid used to cover Slurpees and various iced coffee drinks that allows for wide spill-over of whipped cream and other edible, non-liquid material.
"Wow, they're putting a lot of whipped cream on that iced mochachino...you're gonna need a biodome for that!"

"Oh no! My straw's too short for the biodome...I'm losin' it!"
biodome by Brett W. August 8, 2005
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Bob and Jenny got married, had two kids, became Republicans, began attending Cavalry Baptist, and moved out of their city flat and into a Gold River McMansion, a new biodome out on Highway 50. They now drive SUVs through two hours of heavy traffic to get to their jobs. When asked why he had become such a cheesedick, Bob replied, "It was for the children."
biodome by Scott Mansfield January 11, 2008
Related Words
biodome by Lon September 5, 2005
guy - hey look theres a biodome
dude - yeah that biodome goes both ways...
guy - thats weird.
A low grossing movie from the 80's that put many to sleep with it's boring plot lines and lackluster....anything. Mainly used as a sleep aide
I'm so restless tonight, I'm going to watch Biodome to help me sleep.
Biodome by Ty J. B. September 5, 2005
Bacteria-infested head of an acne zit.
Check the biodomes on pizza-face!!
biodome by Skirtlifter September 5, 2005

Joe Bidome 

The weirdest recreation or rebirth of Obama Prism with Joe Biden (LOL)
Is it just me, or is Joe Bidome Creepy??
Joe Bidome by Another One Out There November 10, 2020