Road Munchies 

1) The act of orally pleasing a girl while she is driving

2) Smoking weed while driving resulting in an instantaneous trip to McDonalds.

1) Joel: Hey will you give me road head?

Rae: Only if you give me road munchies. I won't get you off unless you get me off.

2) Joel: Dude, I'm so high right now.

Dave: Ya man, I got some serious road munchies. Let's go to Taco Bell

Road Munchies by DirtyDave69 July 21, 2012

Road Munchies 

Food you purposely buy to eat while driving. Not necessarily a road trip, could just be back and forth between work and home, etc.

I'm going to stop by a convenience store and pick up some Road Munchies before I head out to the concert.

Road Munchies by Storm filled Eyes March 26, 2019