A fork of Rural Dictionary
A driving instructor, an adult that'll drive with you when you have your learners permit, and/ or anyone teaching you how to drive from the passenger seat.
Person A: Hey I heard you got your permit, lets go somewhere Person B: Nah I can't, my mom won't be Shotgun Sensai. -OR- Person A: Wanna go to the mall friday? Person B: I can't, I have a lesson with my Shotgun Sensai.