for pity's sake

for pity's sake

A mild oath of surprise, exasperation, annoyance, frustration, or anger. For pity's sake! I haven't seen you in years! Would you let me finish my story, for pity's sake? Oh for pity's sake, I just had the car fixed and now you've put a dent in it!
See also: for, sake
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

for God’s, heaven’s, pity’s, etc. ˈsake

used to emphasize that it is important to do something; used to show that you are annoyed about something: For God’s sake try and control yourself!Do be careful, for goodness’ sake.Oh, for heaven’s sake!(Some people find the use of God here offensive.)
See also: for, sake
Farlex Partner Idioms Dictionary © Farlex 2017

For pity’s sake!

verb
See also: for
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.

for heaven's/Pete's/pity's sake

An expression of surprise, emphasis, exasperation, outrage, and so forth. These all are euphemisms for “for God’s sake,” which in some circles is considered blasphemous. “For heaven’s sake” dates at least from the nineteenth century. “For Pete’s sake” appeared in Dialect Notes in 1924. “For pity’s sake” dates from the sixteenth century; Michael Drayton used it in one of his Idea sonnets of 1593: “Rebate thy spleen, if but for pities sake!” See also for the love of Mike/Pete/God.
See also: for, sake
The Dictionary of Clichés by Christine Ammer Copyright © 2013 by Christine Ammer
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References in classic literature ?
Then the miser said, 'Bind me fast, bind me fast, for pity's sake.' But the countryman seized his fiddle, and struck up a tune, and at the first note judge, clerks, and jailer were in motion; all began capering, and no one could hold the miser.
my beloved Laura (cried Sophia) for pity's sake forbear recalling to my remembrance the unhappy situation of my imprisoned Husband.
"Doctor, I resist no longer -- I can no longer defend myself -- I believe you; but, for pity's sake, spare my life, my honor!"
"For pity's sake," said the executioner, extending his arms.
But release my arm, master, for pity's sake! You have a hand like a pair of pincers."
`Augusta, for pity's sake, don't destroy my last illusions' --and how am I to prevent his knowing these horrors?" the poor lady wailed.
"For pity's sake, Gilbert, don't develop into a match-maker.
"Ah, countess, you really must take me, for pity's sake do take me to see them!
For pity's sake take your poor, broken-down chum to some place where she can hear herself think."
He had the air of a man oppressed by business, weary and suffering, who yet would not, for pity's sake, leave this helpless youth who, after all, was the son of his old friend and the possessor of such enormous wealth, to the caprice of fate and the designs of rogues.
For pity's sake put the axe down; you are not the woodman any longer!"
that knife, give it to me for a minute only, for mercy's, for pity's sake! I will embrace your knees!
For pity's sake, surely Pog (below) will come good against relegated Cardiff at Old Trafford?
For pity's sake, Mrs May, put your plan to the people - your plan or no Brexit - a straightforward choice.
Mr Dyer, do your own thing but for pity's sake try to lose some of the "do what, knock it on the head, up the apple and pears, down along the old Kent Road, av a banana" exaggerated Cockney slang and patter.