A small tube type thing that a person puts into their butt to allow small furry rodents to enter their anal region. It's supposed to feel good and be fun!
"Hey Monica I just got a newverbpipe, wanna try it out?"
The act of blowing a hit or weed into someone's ass and having someone else human centipede those mud flappers and sucking that toke with a hearty fart.
Garrett: hey bro heard Kelsey was pretty freaky . What y'all do?