When you're making love to a woman and you look down and notice she has just gotten her period, so you pull outand put it in her butt.
Dude! I was banging Penny and I looked down and blood was everywhere! I had to bloodhound back door it!
When you sneak up behind your friend and put your hand in their pocket and grab their junk.
Dom threw Jake a nasty Back Door Slider last night.
While eating ass the partner breaks wind "Farting" To cool the giver down "Ass licker"
Sexually; She gave him the back door breeze.
The game of chicken you play when you're fucking a chick in the ass that has diarrhea.
Safest to play this game away from the bed you plan on sleeping in.
Burt: Oh man, I'm gonna totally bend Alana over and fuck her in the ass!
Ernie: You better be careful dude, she had Taco Bell for lunch.
Burt: Time to play a little Back Door Time Bomb
A highly specialized carpenter.
"The entrance to my home from my backyard was boring until I hired a back door man."