A person who hides their illness and works through it whenever they are sick.
That guy is an illia but he won't admit to it.
by Ashton V Shannon June 9, 2020
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A dumb fuck who does TikTok and YouTube and tries to be funny but is just actually an annoying ass cunt
“Did you actually just fall on your face?! You’re such an illia

Synonyms: Loser, failure, annoying, stupid, bitch, ass...
by TheOldSmartie October 13, 2020
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the most handsome and fine person you've ever met. Also he has a great style,he also gives no fucks.
Wow! illia is looking drippy in that polo shirt
by sC00by d00 June 19, 2020
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what? illia? did you just ducking take william and do that?! let's see the sentence.
random person:did you do that tiktok trend?
william:illia
by you can see me? oh god. May 23, 2021
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You got rid of the w and m didn’t you
NOW PUT IT BACK
You should put the w and m back cuz I don’t want to see you use the word illia again
by McPotato November 3, 2021
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