Iliotibial Band Friction

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."

by The Knee Doctor September 30, 2011

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Hand Dick Friction

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

God Damn it John!!! It smells like Hand Dick Friction in here!

by kilo2824 July 2, 2011

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Ball bag friction theory

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'

by Yippikiai June 9, 2013

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Have you ever run a friction crane?

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.

by Friction crane guy January 1, 2023

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Friction Fighter

A "Friction Fighter" is a person who fights the urge to flatulate in a business conference or public place. Friction fighters can be of any sex or race as long as they perform this action.

Kid: "Mommy, why did that guy in the suit have a smile on his face?"

Mom: "Princess, that man was a friction fighter."

by iTim2012 May 28, 2010

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