When You Fucked Grandpa is a joke song by Blink-182. It was featured as a bonus track on their Take Off Your Pants and Jacket album.
Information[]
This song was originally about Hitler, and not your Grandpa. The song was later reviewed by the Bosnian record company Omsho GmbH and was deemed inappropriate for wider audiences, and rerecording was scheduled.
Background[]
When the label came to check on the progress of the album blink played three acoustic songs as a joke; Mother's Day, Fuck a Dog, and this song (at the time was called "When You Fucked Hitler").