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1.
someone whom is not "technically" your boyfriend/girlfriend, but whom seems to fill the traditional roles of such a position. Sort of a boyfriend/girlfriend who is not recieving benefits.
I'm allowed to go out with "Guy B" because "Guy A" is just my friend friend.
by HeatherDawgFan February 11, 2007
 
2.
Can be used to describe a Fuck Buddy or someone you are trying to fool into thinking they are your boyfriend/girlfriend.
"My friend friend slept with me last night."
by Ronesto August 03, 2008
 
3.
A steady partner translated for North Korean.
My "friend friend" is coming from the East to buy me a watch.
by JJ3451 December 04, 2006