Top Definition
Something that can be lame, weird, bizarre, strange or funny that happens on the Internet. Similar to RL caffeine, yet somehow not as tasty.
A: Did you hear about J?
J: She busted a nut while freewheeling to polka.
A: OMG how did you know?!
J: I'm J.
A: x_x
J: Well, that's internet caffeine.
by Thatguywith2020vision June 28, 2011
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