A fictional dimension from the popular Netflix original Stranger Things. The upside down is where the Stranger Things monsters live.
Person 1: “hey the other day I walked through a strange portal like thing and it seems like I entered a whole new dimension!”
Person 2: “sounds like you entered the upside down”
I can't relax with the gas at the dentist's office, I've been hitting the upside-down beer bong for too long to.
Heather's favorite sex position is the upside down crock-pot.
When you hold a girl upside down as she sucks another guys dick that's laying on the ground
Bobby: Steve had to go to the hospital cause I dropped Jenny while doing the upside down roomba
When your 69ing a fat chick and you slip a thumb in her bum and she gets mad
I was doing the upside down gorilla with the mrs the other day and now I have a black eye
Being pegged by your wife with a dildo made from a mold of your own penis. The twist being that the dildo is increased in size by 33% in all dimensions.
"Cheryl wants to spice things up and bring a new man into the bedroom. I've been warming up with the upside down pony pole for a few weeks, so I'll be ready for that big ole bull!"
When you're on the receiving end of the Blow Job, and you lay her on her back and have her head hang off the edge. This move causes you to rub her thought more and smack your balls on her face.
"Yo dude, I gave Brittny the Upside Down Show last night"
"Man, you had to mess her up"