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Abbreviation for "In Real Life I Don't Know You", most commonly used in text messaging and sexting as an excuse not to give out personal information.
"Hey Billy! Send me dem n00ds!"
"No way! IRLIDKU!"
"You could know me if you wanted.."

"Billy, I'd love to come over tonight but my mom won't let me because IRLIDKU. She says you could be an internet predator."
IRLIDKU by Madë Beautiful January 27, 2013
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Person 1: So have you met her IRL yet?
Person 2: No, but we're meeting IRLIP soon.
IRLIP by StressMom May 31, 2015
Related Words
name derived for amusing wee drunk irishman who is partial to alcohol, immensely funny, or at least is when im drunk. often found mit guinness, cbo and uber j. very funny. is prone to... er... breaking his water seal. yes.
yo irlish. check this shit out.

one two, right now, its time,

hammer time

'look, theres jeffery'
irlish by jack hiscock January 19, 2005
an amazing individual with an excellent taste in music and is very nice to all those around them.
irliya is my idol
irliya by makauhijau September 22, 2021
A person who has a lot of experiences. Never doubt an Irlina, she will do things you’ll never expect.
Dude is that an Irlina?

Omg it is..run!!
Irlina by BobbyPlayer April 17, 2022
I'm gonna do some IRLing today
IRLing by lepetitpaco November 5, 2016
a beautiful individual who is funny and full of life to cover up the fact that they are probably suicidal and depressed. Always having a smile on their face, they will put themselves before anyone else and is usually very joyful. Probably gay and is madly in love with a girl who they know is way out of their league.
irliya by makauhijau September 22, 2021