a common diagnosis given by a trained medical professional when there is nothing wrong with his patient
patient: "Yo doc, my knee hurts like whoa"
doctor:"Hmm...looks like Iliotibial Band Friction. Have a lollipop."
doctor:"Hmm...looks like Iliotibial Band Friction. Have a lollipop."
by The Knee Doctor September 30, 2011

1) The force applied to one's penis during masturbation or hand job. Levels of "HDF" can become increasingly uncomfortable without the use of proper lubrication.
2) The act of male masturbation
2) The act of male masturbation
by kilo2824 July 2, 2011

One theory to explain the occurrence of a hole in the crotch of a mans jeans. Over time the material is eroded by the constant friction of the swinging ball bag.
Person 1: 'Dude, your nuts are hanging out of that hole in your jeans'.....
Person 2: 'Yeah sorry man, ball bag friction theory'
Person 2: 'Yeah sorry man, ball bag friction theory'
by Yippikiai June 9, 2013

When a guy wants to talk to a girl but he doesn’t know what to say to her he asks her if she has ever run a friction crane. Nobody really knows what a friction crane is but it is a way to start a conversation.
Guy: Have you ever run a friction crane?
Girl: Whats that?
Guy: I don’t know but I thought you were pretty and I wanted to talk to you.
Girl: Whats that?
Guy: I don’t know but I thought you were pretty and I wanted to talk to you.
by Friction crane guy January 1, 2023

by Cristina Jones March 6, 2019

by Agentw21 December 27, 2017

Friction fruit are the fruity bumps and residual fruit cause by fucking someone
through a hole in edible panties. Friction fruit can be enjoyed by the receiving partner as friction bumps or a tasty treat. The overall species is native to North America but very depending on which flavor you choose.
through a hole in edible panties. Friction fruit can be enjoyed by the receiving partner as friction bumps or a tasty treat. The overall species is native to North America but very depending on which flavor you choose.
Aye Brooke! Do you want me the peel the friction fruit now?
Brooke: Nah, let's let em ripen a little bit and I'll eat them off the vine when you're done.
Me: You better save me one baby.
Brooke: Nah, let's let em ripen a little bit and I'll eat them off the vine when you're done.
Me: You better save me one baby.
by Frictionfruit September 14, 2021
