You know, "MUSTARD ON THE BEAT!"
It's his tagline at the start of all his songs. It signifies that the tune you're about to listen to is gonna be a banger.
And maybe your lil' human brain was wondering, why the heck is he called DJ Mustard? That's a condiment!
WELL, THE ANSWER WILL MAYBE SHOCK YOUR SOCKS OFF (or make you say, I already knew that I can't believe you get paid to write this shit.)
The fact is, one small click on his wikipedia is one giant leap for all name-truthers.
Did you see that? HIS BIRTH NAME IS DIJON ISAIAH McFARLANE.
Which...which...which means...
Well, you get it! Ok bye!