jacking Definition

jack
noun

1. A machine or device which originally took the place of a servant, eg a boot-jack.
2. A device for raising a heavy weight, such as a car, off the ground.
3. A winch.
4. elec.telecomm, etc.
A socket with two or more terminals into which a jackplug can be inserted in order to make or break a circuit or circuits.
5. The male of certain animals, especially the ass or donkey. See also jackass, jack-rabbit, jackdaw.
6. naut.
A small flag indicating nationality, flown by a ship.
7. cards.
The court card of least value, bearing a picture of a page (see page² noun 2). Also called knave.
8. bowls.
The small white ball that the players aim at.
9. A small national flag flown at the bows of a ship.
10. One of the playing-pieces used in the game of jacks.
11. Man.

Example: steeplejack
Example: lumberjack

verb jacked, jacking

1. To raise it with a jack.

Form: jack something up (often)

Idiom: every man jack

Everybody.

Etymology: 16c; 14c as Iacke for the man's name Jack.

Phrasal Verb: jack something in or up

To give it up, or abandon it.

Phrasal Verb: jack off

To masturbate.

Phrasal Verb: jack up

To inject oneself; to take a fix.

Phrasal Verb: jack something up

To increase (prices, etc).To refuse it; to resist it.