A person resembling or having the likeness of somebody with down's syndrome. Can include people that actually have down's syndrome.
I was on tinychat the other day and oda, this extra-chromosoid starts ranting about "fail males" again.
by Harry Be-Hole February 19, 2023
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Someone who has visited a different star than the one they were born near.

No one from Earth has achieved this yet.
The Extra-Solar-Tourists decided to invade Earth and enslave the population for the fun of it.
by Logical_OverLord July 24, 2021
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1. A terrified apology.

2. What you say when your gf/bf is furious and you've really f'd up.
I'm extra special sorry, please don't kill me and dance on my corpse!

I'm extra special sorry I was a lyin' cheatin' scumsucker all these years, dear.
by ergolynn February 20, 2010
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A fart that not only can you taste but is so beefy you have to chew it.
This old guy on the bus let out a "extra beefy" that I chewed for 5 mins of pain and cried later.
by Steveascub April 14, 2011
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The greatest and most powerful weapon in the multiverse, capable of wiping out an quintillions of ymas in seconds
Hey Brendan did you hear that billy, yeah that really cool one in year 9. So apparently he absolutely annihilated that yma girl with his patented Billy’s anti-yma extra ultra magnum quantum laser death ray pulveriser of awsomeness
by Shisosbegudhdhddh July 12, 2023
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