A true example of a coward, One who often backs out of things and rarely shows they have any balls; you can also refer to someone with no backbone as a pile of goop (if any human didn't really have a backbone, they would simply be a pile of goop)
ME: Hey, can you go upstairs and get my keys?
brother: NO I CANT I'LL BE LATE FOR MY HOT DATE!!!
ME: Aww, you have no fucking backbone

father: Son, are you gunna go on the roller coaster?
son: No! I'm too afraid. I'm gunna go on the kitty roller coaster.
father: Son, you my friend have no backbone

sergeant: WHERES PRIVATE WILSON!
private no.2: Umm, he went home sergeant. He had asthma.
sergeant: Wilson just had no backbone the coward.

ME: YOU DIDN'T GO UP TO HER AND GET HER NUMBER? KID SHE WAS DIGGIN' YOU...YOU HAVE NO BACKBONE
by Richard A. Nuzzo March 24, 2010
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Individuals who make a substantial contribution to a team/event/organisation. Without them the whole thing would fall apart.
Jay Robinson is the Backbone of 4Marketing
Perry Padina is the Backbone of FCC Paragon
by The R Rated Superstar December 19, 2013
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1) having guts or balls

2)the "behind the scenes" guy(s) of an outfit or group who do a signficant contribution to something but don't get as much recognition. Second only to the heart and soul.
1) You've got to grow a backbone if you don't want to become the one who gets trampled over in the end.

2) If she's the heart and soul of the group, then those two are the backbone of it.
by Lazy T May 18, 2009
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A word describing a video game that suffers from one or more of the following:

1) Poorly implemented net code
2) Slipshod emulation
3) Game breaking bugs
"I tried to play Super Street Fighter II Turbo HD Remix online last night, but I couldn't because the online play is backboned."
by G-Boobie January 5, 2009
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The sometimes pleasureful event in which a male becomes erect while spooning with a female.
Dude, last night I got a backbone while spooning with Charlotte! It was awkward at first, but then she started using her spine to rub my erect manhood!
by Ballzach July 9, 2012
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Exchanging, peering, carrying or otherwise handling large quantities of data traffic on your ISP company's equipment, bound for network or computer systems other than your own. Especially as applied on large area networks such as the Internet.
When the Europeans finally were able to buy their first legal iPhone, the Internet was too busy backboning their activations traffic for me to Google at work today.
by gringorican July 12, 2008
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