When a grandpa gives you head (no dentures) in the restaurant parking lot, and then afterward you get a Werther's Original from em.
"Dude, did you see that chick getting a Backseat Grandpa?" "No, hurry up the restaurant just texted me our table is ready."
by JohnnyFibblethips January 20, 2025
Get the Backseat Grandpamug.