back doornoun

• 1

  A subsidiary entrance to a building or house at its rear, normally away from the street.

  • "Charles II, who was crowned here a little while before, occupied an old house (which is still standing) in New Street [Worcester], from which he escaped by the back door, as the enemy rushed in at the front."
• 2

  A means of access, often secret and unprotected, to something.

  • Scoring three goals at home should guarantee you three points, but when you go on the attack a little bit more, you leave the back door open. That's not always a good idea with this team.
• 3

  A secret means of access to a program or system.

• 4

  automotivetransportvehiclesA rear side door of a car, or at the back of a van.

• 5

  slangThe anus (usually in sexual practices).

  • backdoor action
  • go up the back door
• 6

  slangAnal sex.

  • Oh, don't be so judgmental. You could use a little back door.
• 7

  informalgolfhobbieslifestyleThe rear side of the hole, furthest from the golfer.

  • Sometimes the ball will curve around and enter from the back-door.

back dooradj

• 1

  ball-gamesbaseballgamesThe path of a pitch which starts outside and then slides over the plate.

  • He has a nasty back door slider.
• 2

  Achieved through indirect means.

  • Lately there's been a lot of back door pressure on me to step down.
• 3

  card-gamespokerRequiring consecutive cards on the turn and river to be achieved.

  • The flop had the ace of spades, queen of spades, and two of diamonds, and I was holding the king of spades and the three of hearts. I bet big, hoping for a jack and a ten to make my back door straight-draw, or a spade to make my back door flush-draw. But when the turn card was the five of clubs, I had to fold.

back doorverb

• 1

  To attempt to accomplish by indirect means, especially when direct means are proscribed.

• 2

  hobbieslifestylesportsTo enter a tube by accelerating from behind; to surf into an already formed hollow wave, in contrast to the normal method of slowing to allow a surfable wave to form.

  • If you survive the heavy take-off at 'The Chair' (which is very close to the rocks) you will find you're in 'The Suck-up', which offers either a spectacular barrel or a bonecrunching wipeout, but you might find you have to back door it.
• 3

  To add a backdoor (a secret means of access) to a program or system.

  • Now that we have backdoored the notepad.exe binary, we will go back to the Meterpreter session and upload our backdoor: 3. Then, we need to start a listener so we. meterpreter > upload notepad-backdoored.exe [*] uploading[…]
  • As an example, the generation algorithm for backdoored Dual EC picks a fixed group element Q, a random exponent d, and outputs as public key the pair P = Qd and Q. The secret key is d. (We use multiplicative notation for simplicity.)[…]
• 4

  slangTo betray (someone); to double-cross (someone); to set (someone) up; to take advantage of (someone's) trust.