JonBams refers to the oldest twitch streamer on the platform, as of 2020 he is 50 years old. He streams occasionally and mainly plays Minecraft
Dude 1: "Hey bro! Have you seen that old guy on twitch?"
Dude 2: "The one with the neckbeard and a dented head?"
Dude 1: "Yeah, JonBams! He's awesome"
by brubhub November 7, 2020
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A god streamer amongst men.
Most used when talking about a chill streamer.
A: Do you know any streamers that are JonBams?
B: Probably TimTheTatman.
by Petrxs August 13, 2019
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