Well, it seems this big sis wasn't having any of it!
Koko took to Twitter on Monday with a very cryptic message about all the "sh*t", writing:
[Image via Instagram.]
Is he really as smart as he says he is???
Tahj Mowry stopped by our offices to EXCLUSIVELY play a little game of pop culture trivia with us!
In the '90s, Tahj played a kid genius on Smart Guy, so we wanted to see just how smart he is when it comes to all things celebrity.
And he actually did a really great job!