Listen to the sound clip I ain't joking. from Ali (2001): I ain't joking. I ain't joking. This sound is from Ali (2001) "Ali" is a captivating biographical drama released in 2001, showcasing the iconic life of legendary boxer Muhammad Ali. Will Smith delivers a stellar performance as the charismatic Ali, while Jon Voight portrays the influential spo… Go to the full soundboardwith more sound clips Search