Muhammad ibn al-Hanafiyya said, "The Prophet, may Allah blesshim and grant him peace, had a large head and large eyes. When he walked,he bent forward as if he was walking up a hill. When he turned around,he turned completely." (IT)
English reference (IT): Book 56, Hadith 1315 (IT)
Arabic reference (IT): Book 1, Hadith 1315 (IT)