profession

the oldest profession

Prostitution. It's called the oldest profession, and it's probably true that it is!
See also: old, profession

wear (one's particular profession's) hat

To act as one would in one's particular profession while in a different setting. Bobby, I know you're off duty, but can you please wear your doctor's hat for five minutes and tell me what's wrong with my arm? I don't want to have to go to the hospital. My wife was still wearing her judge's hat when she tried to intervene with our neighbor's arguing kids.
See also: hat, particular, wear
Farlex Dictionary of Idioms.

the oldest profession

the practice of working as a prostitute. humorous
Politics or the law is sometimes humorously awarded the status of ‘second oldest profession’, with the sarcastic implication that their practitioners are as immoral and mercenary as society traditionally considered prostitutes to be.
See also: old, profession
Farlex Partner Idioms Dictionary
See also:
  • the oldest profession
  • it's all the same to me
  • be up to (one)
  • be up to somebody
  • it strikes me that
  • be on (one's) conscience
  • be all one to
  • it's all (the) one to me
  • it's on me
  • in a fog
References in classic literature
I found the exactions of the profession somewhat too much for my delicate state of body; and, discovering, at last, that I was knocked all out of shape, so that I didn't know very well what to make of the matter, and so that my friends, when they met me in the street, couldn't tell that I was Peter Proffit at all, it occurred to me that the best expedient I could adopt was to alter my line of business.
I was making money at this business when, in an evil moment, I was induced to merge it in the Cur-Spattering -- a somewhat analogous, but, by no means, so respectable a profession. My location, to be sure, was an excellent one, being central, and I had capital blacking and brushes.
The worst of this profession was, that I had to walk so much and so fast; and so frequently to vary my route.
As he threw down his book, stretched his legs towards the embers in the grate, and clasped his hands at the back of his head, in that agreeable afterglow of excitement when thought lapses from examination of a specific object into a suffusive sense of its connections with all the rest of our existence--seems, as it were, to throw itself on its back after vigorous swimming and float with the repose of unexhausted strength--Lydgate felt a triumphant delight in his studies, and something like pity for those less lucky men who were not of his profession.
I should never have been happy in any profession that did not call forth the highest intellectual strain, and yet keep me in good warm contact with my neighbors.
In Rosamond's romance it was not necessary to imagine much about the inward life of the hero, or of his serious business in the world: of course, he had a profession and was clever, as well as sufficiently handsome; but the piquant fact about Lydgate was his good birth, which distinguished him from all Middlemarch admirers, and presented marriage as a prospect of rising in rank and getting a little nearer to that celestial condition on earth in which she would have nothing to do with vulgar people, and perhaps at last associate with relatives quite equal to the county people who looked down on the Middlemarchers.
Boythorn, who interested himself strongly in the subject--though I need not say that, for he could do nothing weakly; "I rejoice to find a young gentleman of spirit and gallantry devoting himself to that noble profession! The more spirit there is in it, the better for mankind and the worse for those mercenary task-masters and low tricksters who delight in putting that illustrious art at a disadvantage in the world.
Kenge with a tinge of melancholy in his smile, "one of those coincidences which may or may not require an explanation beyond our present limited faculties, that I have a cousin in the medical profession. He might be deemed eligible by you and might be disposed to respond to this proposal.
'I may regard my profession from a point of view which teaches me that its first duty is towards those who are in necessity and tribulation, who are desolate and oppressed,' said Mr.
'However, as I have quite clearly satisfied myself that it is no part of my profession to make professions, I say no more of that.
So, another time--taking me as representing your opponent in other cases--you set up a platform credulity; a moved and seconded and carried-unanimously profession of faith in some ridiculous delusion or mischievous imposition.
Not to mention that you have advised me to study for the difficult profession of the law, specially, and that of course I am guiding myself by the advice of such a friend and helper.
With regard to the learned professions, little need be observed; they truly form no distinct interest in society, and according to their situation and talents, will be indiscriminately the objects of the confidence and choice of each other, and of other parts of the community.
Where this is the case, the representative body, with too few exceptions to have any influence on the spirit of the government, will be composed of landholders, merchants, and men of the learned professions. But where is the danger that the interests and feelings of the different classes of citizens will not be understood or attended to by these three descriptions of men?
ISLAMABAD -- Chief Justice of Pakistan (CJP) Asif Saeed Khan Khosa has urged lawyers to launch a movement for restoration of the dignity of legal profession - Tehreek Bahali Izat-e-Wukula.