Backbreaker

demanding great effort, endurance, etc.; exhausting:
a backbreaking job.
Contemporary Examples

Although he is not on trial for the video, it was the backbreaker in the court of public opinion.
John Galliano in the Courtroom Tracy McNicoll June 22, 2011

Historical Examples

I jerked and rolled in a movement calculated to throw him to the ground face down, the motion ending in a backbreaker hold.
The Old Martians Roger Phillips Graham

noun
a wrestling hold in which a wrestler uses his knee or shoulder as a fulcrum to bend his opponent’s body backwards
(informal) an extremely arduous task
adjective
demanding great effort; exhausting

noun

A very difficult job or task; ball-buster, bitch, pisser (1900s+)

Read Also:

Backburn
verb (transitive) to clear (an area of scrub, bush, etc) by creating a new fire that burns in the opposite direction to the line of advancing fire noun the act or result of backburning
Backburner
noun state of temporary postponement or deferral; also written back burner Word Origin refers to the back burners of a stove, where food gets less attention
Backchannel
a secret, unofficial, or informal channel of communication as used in politics or diplomacy: sensitive information passed on through a back channel. Contemporary Examples It essentially uses the award as a backchannel to decisively endorse the Polish version of the Katyn events. The Kremlin’s Amazing PR Turnaround Michael Idov June 7, 2010 noun a secret, […]

Backcheck
to skate back toward one’s defensive zone obstructing or impeding the movement or progress of one or more opponents on attack. Compare check1 (def 15), fore-check. to check over or through; review: Back-check the files to see if the patient’s records are there.
Backcloth
backdrop (def 1). Historical Examples In Marius the background is merely a backcloth for mental poses plastiques. Masques & Phases Robert Ross Requires a dab of red in all that backcloth of green and black, doesnt it? Twos and Threes G. B. Stern noun a large painted curtain hanging at the back of a stage […]