Accessing a rich person’s wireless network from the suburbs which allows you to use their internet connection without their permission which offends not only the rich person, but the ISP because the ISP wants you to pay over 60 dollars a month for cheap bogged-down high speed internet.
A stupid rich stuck-up person from the suburbs bought a wireless router with BROADBAND internet connection (which is totally bogged down by the ISP) and encrypted it with a password but since passwords are crackable the talented hacker cracked the password and is now using the rich persons wireless network which now gives them free internet.

The authorities caught a coupe of people doing this and labeled this a Piggyback.
by usagetoutofiraq October 4, 2011
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The only eay for a 5 year old to get action from his/her teenage baby sitter.
5 year old: Hey Nikita, can I have a piggyback ride please?
Nikita: Sure, hop on.
by Tyler the Hyphy February 24, 2012
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When someone joins a friends cell phone family plan just cause it would be cheaper than being on your own.
"yo dog you wana piggyback on my family plan it would make it cheaper for the both of us" "chea, then we can get the latest n greatest phones
by goodguys May 25, 2010
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The act of trying to get into a subway station without paying. The name originates from the method, in that someone will wait for another passenger to pay, and when the gates open, the other person will immediately walk in right behind them so the gates don't close immediately. This only works with fare gates that open and close automatically, and not turnstiles.

The word is believed to have originated in Boston, where the act became more common after the MBTA increased fare prices.
As I was going into the subway station today, someone bumped into me from behind. When I turned around, the transit cops were giving him a ticket for piggybacking.
by Mr. X-103 February 28, 2013
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Being so broke or just really cheap that you rely on your friends to pay for everything.
He's such a fucking piggybacker, why do i always have to pay for everything!
by Pdity May 13, 2007
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sex with a plus-sized person in the doggy-style position
It was too hard to get her legs far enough apart, so piggybacking was the only option that would work.
by capethom February 21, 2011
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