Top definition
The error message you receive when attempting to connect to the cloud on 4/20.
Billy: It's 4/20, broheim, did you wake and bake?
Becky: NO! Jeff broke the glass bong yesterday, we're all out of papers, and I couldn't find my pipe.
Billy: ooooo 420 error. cloud not found.
by b0xxx April 20, 2012
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