Green’s Dictionary of Slang

mum! excl.

also mumbudget!
[mum n.1 ]

an excl. demanding silence.

1523
160017001800
1900
[UK]Skelton ‘Garland of Laurel’ in Henderson Complete Poems (1948) 383: There was among them no worde then but mum!
[UK]U. Fulwell Like Will to Like 11: Well, godfather, no more words but mum!
[UK]Three Lords and Three Ladies of London J 2: But, mum, no words of it.
[UK]Tourneur Revenger’s Tragedy (1967) IV i: Mum, For there’s a doom would make a woman dumb.
[UK]Davies of Hereford Scourge of Folly 102: No more, peace; mumme.
[UK]R. Speed Counter-Rat F: Mum then, — I’ll take a nap o’th’ boords Sir.
[UK]R. Brome Covent-Garden Weeded IV i: Mum, hold your tongue still in your mouth, lest I halifax it with your teeth.
[UK]The Wandering Jew 18: Our yong Cockney laughed, shook his head [...] and so without so much as mum, sneaked away.
[UK]New Brawle 4: [B]ut mum, here she comes to speake for herselfe.
[UK]A. Cowley Cutter of Coleman-street (1721) 765: Mum – not a Word.
[UK]Wycherley Love in a Wood III i: Mum, mum, make no excuses man.
[UK]Behn Sir Patient Fancy I: I’ll be rackt first, Mum budget,—prithee present me.
[UK]Behn Lucky Chance V vii: Mum! No words on’t.
[UK]B.E. Dict. Canting Crew n.p.: Mum-for-that not a Word of the Pudding.
[UK]Vanbrugh False Friend Act I: Mum; here’s her Father.
[UK]New Canting Dict. [as cit. c.1698].
[UK]Bailey Universal Etym. Eng. Dict. [as cit. c.1698].
[UK]Foote Knights in Works (1799) I 66: Hush! here’s Mr Jenkins and son Tim. Mum!
[Ire]K. O’Hara Midas II i: Mum – snugs the word.
[UK]‘Peter Pindar’ ‘Lyric Odes’ Works (1794) I 103: But mum!
[Scot] ‘While Prose-Work and Rhymes’ in Burns Merry Muses of Caledonia (1965) 57: The Process – but mum – we’ll allow / Poor Justice has ever / For Cunt had a favor.
[UK]T. Dibdin Jew and the Doctor II i: Mum, you sly dog!
[UK]J. Poole Hamlet Travestie III iv: But mum! here come King, Queen, and all the court.
[UK]Egan Grose’s Classical Dict. of the Vulgar Tongue.
[UK]W. Holloway Dict. of Provincialisms 114/1: Mum! An exclamation calling for silence.
[US]C. Mathews Career of Puffer Hopkins 113: Breathing the word ‘mum’ in an undertone, and shaking his head in reproof [...] Puffer descended into the yard.
[US]G.H. Miles Mary’s Birthday II i: Remember, mum! It will leak out in good time. Remember mum!
[UK]‘Doss Chiderdoss’ ‘A Wordless Play’ Sporting Times 10 Nov. 1/4: A finger to his lips he brought / And mutely signalled ‘Mum!’.

In exclamations