saying the word Kid in a way more toxic way, basically to show how much you don't give a shit about the chat filter and "anti toxicity" thing or whatever and you just replace the I with 1
Mainly used in games with Toxic comunity
noob: HACKER LOL. GET FUCKING BANNEAD
pro: stfu k1d

Another example:
tryhard when he losses to anotehr tryhard: Fuck off k1d
by TheGamingPhantoms"SubToMeYt* October 10, 2019
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