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An aggressive term used on various ROBLOX games (most notably The Streets) to get an opposing party to proverbially "mic up" by talking to them on an app with voice calling, usually Discord. The term was first used in 2017 by sheddinator when fighting the head of the Ro-Banging gang Re$tort, yn2x.
Ro-Banger 1: ay cuh mic up rn ######
Ro-Banger 2: lemme hear yo bitch ass voice in the call then
by paki instincts March 27, 2020
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what teenagers say when they tryna be all cool around their online friends. To call someone Voice chat Mostly found on Roblox
You think you're hard? Wanna be even harder on call?

Wanna say that on call?
Bet you won't say shit on call

mic up - what teenagers say when they tryna be all cool around their online friends. To call someone Voice chat Mostly found on Roblox
by byeluv October 9, 2019
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A term commonly used to provoke another person into joining a voice chat with the requesting party. This is commonly found in video games when one player becomes angered with another, or both parties are angry with each other.
Player 1: Wow, you're literally so terrible at this game kid.
Player 2: Really? Mic up. We'll see who's boss.
by Jocelyn Kolesnichenko May 24, 2019
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The term 'mic up' is actually slang for: "i'm a lesbian fur child" in German.

Sometimes you see people use it in games, even in real life! Congratulations, you now just learnt a new definition for a shitty word!
Bob: 'Hah! I beat you in Smash, what're you gonna do?

James: 'MIC UP!'

--You see, James is a fucking idiot.
by virginity shield June 30, 2020
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a tern used by (usually) robloxians. when someone says this to you, most times out of 10, they are trying to pack you. if not, someone is just trying to chill in a call with you. micing up is like a less dominate version of squaring up, but they are pretty much the same, you find your opponent, then pack until someone wins.
person 1: ew your avatar lol imagine
person 2: bet mic up
person 1: bet, example#0000
by DXNTRELL October 23, 2020
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"mic up" is a slang used by kids on roblox trying to seem "cool" or "tough". These types of players often have online girlfriends and dress up as "emo".
Roblox kid: Mic up scared kid.
Normal person: You're underage.
by Restoredbox July 17, 2022
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A saying mainly used by Roblox kids. By saying "mic up" it means that they want to voice chat using an app called Discord. It is mainly used in aggressive fights in Roblox games.
Slender: mic up bro
Emo: no
Slender: u scared bro
by nic4le March 24, 2021
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