Tech N9ne says Patrick Mahomes has been ballin' out so hard this season ... it's time for a new track about the Chiefs QB -- and he's giving TMZ Sports a sample of the chorus!!
Of course, the rapper is a ride-or-die K.C. fan who's stoked about the 9-2 start to this season.
But, Tech says he's SO fired up about it -- he's ready to get in the booth and hammer out a new track about the team's star QB.
The title? "Rollin' With MaHomies" .