Slang for "nose picking", funny because it sounds like "science fiction".
PETER: So, Bobby, what caused your car accident?

BOBBY: Well, don't tell anyone, but ... sinus friction.
by Mike Bozdog June 18, 2006
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(n.) Someone who is unusually good at sexual intercourse.
Term can also apply specifically to females, i.e. a friction goddess.
Tammy was hitting the clubs again, looking for a Saturday night friction god.

by AnonymousThomas April 24, 2007
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Having sexual activities such as; sex, anal, hook-ups
They had Friction Time last night

Will you have friction time with me after prom?
by muzliv April 3, 2009
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what happens when you beat off too much too fast not using lubricant...
Girl: why is ur penis all red and brusied?
boy: thats friction burn baby!
by Kyle March 18, 2005
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In a threesome with two guys and one girl. One guy laying on his back fucking the girl in the vagina simultaneously another guy fucking her in the asshole. The balls rub together causing friction.
That three way last night gave me bulge friction.
by Alfred William Harding IV January 26, 2008
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