Definition of "pooh"

I am carelesse what the fustie World speakes of me, puh.

1600, Ben Jonson, Every Man out of His Humor, iii, i, sig. iii

Pooh, ha, ha, ha, I know you envy me.

1694, William Congreve, Double-Dealer, I, i, 2

Pooh!... How you smell of tobacco.

1859, S.S. Steele, Conjugal Lesson, page 182

Mom offers everybody fudge and says ‘Oh, pooh!’ when she gets upset.

1992 July 22, Time, page 55

She […] hath ſtiled him with an immortall penne, the bawewawe of ſchollars, the tutt of gentlemen, the tee-heegh of gentlewomen, the phy of citizens, the blurt of Courtiers, the poogh of good letters, the faph of good manners, and the whoop-hooe of good boyes in London ſtreetes.

1593, Gabriel Harvey, Pierces Supererogation: Or A New Prayse of the Old Asse, London: […] Iohn Wolfe; republished as John Payne Collier, editor, Pierces Supererogation: Or A New Prayse of the Old Asse. A Preparative to Certaine Larger Discourses, Intituled Nashes S. Fame (Miscellaneous Tracts. Temp. Eliz. & Jac. I; no. 8), [London: [s.n.], 1870], page 181

A thing which causes many ‘poohs’ and ‘pishes’.

1818, Lord Byron, Beppo, canto vii, l. 4

‘You're rather in the pooh with the Adelaide police.’ ‘How much do I stink with them?’

1961, Camille Auguste Marie Caseleyr, The Living Come First, page 177

The wrimouth'd Crittick...That mewes, and puh's and shakes his brainelesse head...

1614, The Nipping or Snipping of Abuses, John Taylor, L4

The Doctor... pshaw'd and pooh'd for some time.

1798, Charlotte Smith, The Young Philosopher, volume I, page 44

‘Pooh! pooh!’ re-echoed his mother, ‘don't pooh me, John.’

1858, Archer Polson, Law & Lawyers, page 15

My cat poohed in here.

1989 April 1, Crisis, page 19

We all know what happened to them—they... poohed their pants.

2003 March 13, The Sun