backmasking 

A term used by people when they reverse songs and listen for secret messages.
Songs such as:
-stairway to heaven
-another one bites the dust
-my name is
-oops I did it again

and more

When you play Oops I did it again backward in a part it's going to say "sleep with me I'm not too young"

backmasking by Ultra Pulse August 14, 2005

Blackjacking 

Masturbating when in a state of black out drunkeness.

I must have been blackjacking last night because i woke up with my dick in my hand.

Blackjacking by Stank Twatwell December 12, 2009

backmasking 

1. A reverse playing of a song or video
2. Often used to endorse subliminal messages

Some death metal songs tell about a venture to hell in its backmasking.

backmasking by JSizmo January 10, 2009

Backpackin 

It means that something is awesome or funny. A new word to define something awesome.

John: Wow that concert was pretty backpacking
Sue: Yeah it was!

Backpackin by Kye28 October 8, 2011

Backpackistan 

The country that exists in the minds of twenty-something-year-old travellers throughout the entire world. It's citizens are identifiable by their dreadlocks, faux-tribal tattoos and strict, tiresome adherence to a Bob Marley tunes. They eat falafel and juggle fire torches. Their economy is based around mooching, and the sale of Tibetan prayer flags and Che Guevarra marijuana pipes. Backpackistanis are united by a common language: broken English.

Even though I spent a year travelling through Paris, Madrid, Morocco, Bangkok, Bali, Sidney, Sao Paulo, Machu Picchu, Guatemala, and Southern Utah, I feel like the only country I really visited was Backpackistan.

Backpackistan by cynical_american_expat June 20, 2009

BackJacking 

The act of laying on your back watching netflix while jacking off AKA Backjacking

Cody enjoys backjacking to american dad on netflix.

BackJacking by Steelson Jeffflex October 21, 2013

Backachingas 

A females mammary glands (boobs/ tits)

DDAAMM!! Look at her backachingas!!

Backachingas by B0$$ of the B0$$'$ August 25, 2009