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."
“Make sure to vacuum thoroughly”
“Dad, stop backseat vacuuming!”
When three people are riding in a car and the person in the backseat simultaneaously jacks off the two guys in front. The person in the backseat could be either male or female.
Bro what’s taking them so long? It’s only a five minute drive!
They’re probably doing the backseat skiier
When someone else is dictating how you take your hoots
Don't be a backseat hooter
When you fuck in the backseat, and she pushes you up against the front seat, giving you no way to pull out.
"Dude I fucked jenny last night in the car and she gave me a backseat kiss!"
When someone watching you play Minecraft questions all of your decisions and tells you how they think you should be playing.
Jordan is always backseat mining me, every time I play it's just, "cobblestone this" or, "you should have used that"
When you poop in the back of an Uber, often as a sign of disapproval for your ride or driver, but in some rare cases it can be used to show affection.
Ryan: My Uber sucked.
Cody: Oh, did you give a bad rating?
Ryan: Nah, I just left a Backseat Klondike Bar.