Kanye West -- "I'm an Arrogant Hypocrite??" ... In Your Face Photog!!!

Kanye West took the 5th on O.J. Friday when he arrived at LAX, but when a photog called him an "arrogant hypocrite," Kanye unloaded.

Listen closely ... you can hear one of the paps hurl the barb ... it gets Yeezus' attention for sure ... he thinks a minute and comes back strong.