Any attendee of E3 that does not work in the gaming industry and has no
business being there.
Originated during a Street Fighter tournament at E3 when Kevin, the Capcom
hype-builder and
shirt-thrower, asked a participant what company he worked for. The attendee replied that he was a grocery store bagger.
Often used to derogatively refer to unwashed slobs in dirty t-shirts roaming the exhibit halls.