Mean Mr. Mustard `` Mean Mr. Mustard '' is a song written by John Lennon ( credited to Lennon -- McCartney ) and performed by the Beatles on their album `` Abbey Road '' .
Mean Mr. Mustard `` Mean Mr. Mustard '' is a song written by John Lennon ( credited to Lennon/McCartney ) and performed by The Beatles on their album , `` Abbey Road '' .