Cuba Gooding, Jr. Ass Cracking a Smile ... For America!

9/2/2014 2:40 PM PDT BY TMZ STAFF
Cuba Gooding Jr.
 flashed his American spirit right along with his ass crack ... during Labor Day weekend.

Cuba sported a Paul Revere hat and stars and stripes board shorts while showing off the dark side of the moon on the beach in Malibu

Cheeky bastard.