A single or multiple person singularity, typically involving music, that has aided in a "cuffed bottom skinny jeans" attitude. As much a state of mind as a common noun.
"Dude, you think that's dank, you should hear what Belle & Sebastian lay down back in the day. That was pre-Hipstoric, no doubt."
The sensation a person experiences upon realizing that they are surrounded by hipsters and may have become one them self. Generally this takes place in a setting which would, according to stereotype, be thought of as a popular place for hipsters to congregate. May be accompanied by visual and auditory hallucinations of flannel patterns and and pseudo-intellectual background conversation.
Upon realizing that he was holding a PBR tallboy at a Broken Social Scene Concert, Jack began to experience waves of severe hipsteria.