It can be seen as a contraction of the idiomatic phrase “blow someone's mind,” as in from the Adult Swim series Tim and Eric's Awesome Show (shown below).
The premiere episode of Aaron McGruder's controversial comedy show "Black Jesus" was a big hit for Adult Swim on the Cartoon Network.
Mind Blown is one of the early dank memes used across internet to show of a reaction GIF from Tim and Eric's Awesome Show of Adult Swim.
Inflatable Pool. This Above Ground Blow Up Swimming Pool Is Great For Family, Kids & Adults To Have Outdoor Water Fun With Floats & Toys. Big, Light.
Nothing says "Friday" like flooding your senses until your mind blows sugary brain chunks, and there's no better way to do that than with a Superjail!.