500% More Man was released in 1965 by Checker Records. The title is a humorous statement of Bo Diddley's persona, and the album contains mostly original tracks recorded at Chess Studios.
Production was handled by Leonard and Phil Chess. The record includes the minor hit 'Hey! Good Lookin'' and other songs showcasing Diddley's signature beat, with his rectangular guitar and unique style.
Although it did not reach major sales charts, the album is valued by collectors for its energy and rarity. The recording was completed during the 1965 sessions in Chicago.