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Related to jacking: pipe jacking
A dance form originating in the 1980s, involving repeated quick jerking movements of the chest and arms, performed to house music.
[From jack (probably as in jack off, perhaps in reference to the jerking movements and sexualized nature of house dancing).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.