A very cool guy that likes to play Minecraft. He lives in a basement.
Person 1: Woah! It's an Arlo!
Person 2: Oh yeah you're right!
by A-Mad-Lad July 22, 2019
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an arlo is a despisable human being; you would never want to be associated with an 'arlo.'
"One time I was walking down the street and I saw an arlo steal a woman's purse"
by Commander Alexander Salamander December 2, 2017
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One of the gayest people ever. They can't take almost anything serious, but when they do, it's scary... Though they are an amazing friend, as well as a lover. So if a arlo ever asks you out.. don't say no
Guy 1: Yo, Arlo just asked me out!

Guy 2: Damn lucky!
by ittosbbg December 16, 2021
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A very stupid dog

Arlo. 'Our low.'
"Arlow get over here."

"Arlow you pissed on my favorite pillows"
by Babushka69 February 3, 2017
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Arlo is a word to call a human who has no common sense/is stupid
Person 1: Terraria is a rip-off of Minecraft
Person 2: Your a fucking Arlo
by Um...Hi? June 2, 2021
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Arlo is stupid he can’t do anything right and all he does is make out with women
Arlo is a boy
by Yessir555 September 24, 2020
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A person who makes commentary videos on video games (near exclusively Nintendo). He is best known for his Nintendo news roundup series, which rounds up all the Nintendo related news of the week for people who have lives, his opinion/discussion videos, as well as his 3 hour review of The Legend of Zelda: Breath of The Wild.

Often regarded as one of the better Nintendo news YouTubers, he uniquely stands out because he is a Puppet.
I'm looking forward to Arlo (YouTuber)s 7 hour review of whatever Breath of The Wild 2 will be called.
by Signup Man December 11, 2021
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