When you fuck a girl from behind who is taller than you so you have to sort of climb on her back like a backpack to fuck her. It's similar to doggy style
Yo, I totally hooked up with that volleyball chick, but she was taller than me so I had to fuck her backpack style
by coolman222 December 8, 2020

**Chad takes Brad’s backpack to bathroom**
Chad: I’m going to give this backpack some liquid luck.
**Chad brings back backpack**
Brad: Who took a dump in my backpack?! **Chad is snickering from across the room**
Chad to classmate: I took a backpack dump
Chad: I’m going to give this backpack some liquid luck.
**Chad brings back backpack**
Brad: Who took a dump in my backpack?! **Chad is snickering from across the room**
Chad to classmate: I took a backpack dump
by Trappa-keepa May 14, 2018

That one person in your friend group that does not leave or know where to go so he just follows the rest of yous.
He has near to no social skills either, his mum probably sent him here.
He has near to no social skills either, his mum probably sent him here.
Ryan: "whos that dude who keeps on following us around?"
Jason: "hes a backpacker"
"yo who is this guy?"
(back packer stares at the floor)
Jason: "hes a backpacker"
"yo who is this guy?"
(back packer stares at the floor)
by Faint.rl June 14, 2023

Girl: Don’t you just love eating backpacks on a nice summer day?
Boy: Yeah! It’s the best thing ever!
Boy: Yeah! It’s the best thing ever!
by whyamidoingthisrightnow November 10, 2019

by Telfar July 29, 2022

“Me and my bitch was in bed yeah and don’t think she was tryna backpack man”
“Me and my boyfriend backpacked all night long”
“Me and my boyfriend backpacked all night long”
by spruce lee January 1, 2021
