Fall Back Friend

A friend that's last on your list of friends. A Fall Back Friend usually is the go-to friend when none of your other friends are available. This type of friend usually is irritating and shows up at the worst times and says stupid things. this kind of friend hangs out with all of your other friends and ruins good conversations. Also, you don't know why you have his/her number on your phone since you would never call him/her. The fall back friend always asks to go with you to places when your going out with all your other friends
dude 1 : "Hey guys, we're chillen at mike's after school! john's bringing the drinks and steve's bringin the food"
Fall Back Friend : "Can i come too??"
dude 1: "uhm, its kinda gonna be crowded."
fall back friend: "i don't care"
dude 1: *sigh* "ugh, alright, just don't bug us."
fall back friend: "Gee, Thats swell! I can't wait! I'll Bring my entire deck of pokemon cards and we can play all night!"
dude 1 : "no you're not."
fall back friend: "Why not?"
Dude1 : "CUZ I SAID SO! now stfu"
by urb15 March 02, 2009
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Sack Back

When one man places his sack on another man's back. Used in the penis showing game
Wacko:(standing shirtless working out)I love working out
Ed: (standing naked)I love my sack on people's backs
(jumps on Wacko's back, and his sack is on Wacko's back, thus giving him sack back)
Wacko: God damn it Ed!
Ed: Gotchya Wacko!
(Proceeds to kick Wacko in the ass twice)
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back scrape

The unfortunate circumstance that occurs when a male is receiving oral sex and the person giving the oral sex accidentally applies teeth to the man's penis. Typically, this occurs when the penis is exiting the giver's mouth, hence 'back' scrape.
Last night I hooked up with a chick and, when she was sucking my dick, I

was the victim of some unfortunate back scrape.
by guy who likes to make it rain December 22, 2010
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Shit-Back

Usually a kickback with a-lot of dudes getting stoned and drunk with no girls fun but lame.
Dude I don't want to go to eddies again it's bout to be a Shit-Back
by T-Rav-IS April 09, 2007
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rail back

illegal immigrant that hangs under trains to get into america.
i think i picked up a few rail backs on my way back to america
by peter yanker May 11, 2009
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Back Cuddle

"I gave her a back cuddle"
by Acer99098 February 06, 2010
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Black in Back

The act of preforming anal sex in the back of a car with a black man or woman, while the track, "Back in Black," by ACDC is playing through the stereo system.
Tom: Why couldn't you make it to Jordan's party?

Matt: Don't tell him, but I was giving his mom a Black in Back
by TheRealMickeyD March 06, 2012
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