I81B4U was an EP from Boston hardcore punk / speed metal band, Gang Green. It was released in 1988, after the previous year's debut for Roadrunner Records, You Got It and before 1989's release, Older... Budweiser. The title is a reference to Van Halen's album, OU812 released in the same year. I81B4U translates phonetically to "I Ate One Before You".