Rick James' Son: We Gotta Talk, Kevin Durant! New Tatt Could Mean New Lil B Curse

Kevin Durant's giant tattoo shout-out to Rick James isn't sitting well ... with Rick James' son.

We got rapper/singer Taz James outside the Mondrian Hotel, and while he respects KD's homage ... Taz points out KD never made a call. As he put it, "You gotta get permission big boy!"

Seems like he's mostly joking, but the not-so-funny part is Taz keeps referring to his friend, "Brandon" ... aka Lil B... and his curse.

Watch ... Taz has a plan to make it all good again.