Green’s Dictionary of Slang

play up v.

1. of people or animals, to irritate, to ‘mess around’.

[UK]Comic Almanack Feb. 47: Come, buffers and duffers, and dashers and smashers [...] Come, Billingsgate sinners, and cat and dog skinners, / And play up a game to make Decency stare: / A fig for propriety, sense and sobriety! / They never were known at fam’d bartelmy fair.
[Aus]‘Rolf Boldrewood’ Robbery Under Arms (1922) 272: I expect they’re going to play up a bit there, because of his following them.
[UK]Marvel 1 Mar. 2: He played us up over that footer match.
[UK]O. Onions Peace in Our Time 229: The more she tried to understand the more he ‘played up’.
[UK]G. Kersh They Die with Their Boots Clean 83: Work willingly and do your best, and I’m your pal. Play me up and [...] I’ll make your life a misery for you.
[UK]J. Curtis Look Long Upon a Monkey 200: A girl lost all respect when he made a fool of himself over an empty-headed little tart playing him up.
[UK]P. Willmott Adolescent Boys of East London (1969) 139: Before long you’re monkeying about and playing up.
[UK](con. 1951) P. Bailey An Eng. Madam 68: She’ll play you up all the more if Melanie knew she was the reason.
[UK]P. Bailey Kitty and Virgil (1999) 150: She [...] played up like the very devil when she was ten.

2. to break the rules, esp. sexually.

[UK] ‘The Brave Old Jock’ in Rambler’s Flash Songster 14: And at that time, when in his prime, / He stood so stiff and strong, / He play’d up hell, with every belle, / Among the genial throng.
[Aus]R.G. Barrett You Wouldn’t Be Dead for Quids (1989) 174: Billy intended playing up behind his wife’s back.
[Aus]G. Seal Lingo 198: If someone is playing up they are usually not doing what they should be doing and, in all likelihood, are doing it with a member of the opposite, or possibly the same, sex.

3. of a wound or disease, to cause discomfort, e.g. my bad arm’s playing me up today.

[UK]Western Dly Press 3 Dec. 3/4: The wound of one side of the leg is very painful at times and it just about plays me up when the Sisters dress it.
E. Bliss Saraband (1986) 10: Heart’s been playing me up again.
[UK]J. Curtis You’re in the Racket, Too 240: That blister on his heel was playing him up a bit.
[UK]‘Charles Raven’ Und. Nights 29: If the nerves of the team he was out with were playing them up a bit, he would sit on the safe while it blew under him, just to give them confidence.
[UK]J. Orton Entertaining Mr Sloane Act II: My guts is playing up.
[UK]Galton & Simpson ‘Cuckoo in the Nest’ Steptoe and Son [TV script] It’s our weather, it’s playing his war wound up.
[Aus](con. 1941) R. Beilby Gunner 116: The old piles playing up a bit, are they?
[UK]J. Sullivan ‘Homesick’ Only Fools and Horses [TV script] His legs are still playing him up.
[UK]D. Jarman diary 2 Dec. Smiling in Slow Motion (2000) 271: My temperature is playing up and I am still terribly breathless.
[UK]Indep. Rev. 1 Oct. 5: My Chalfonts are playing up something rotten.

4. (Aus.) to bet, to gamble (at a horserace); thus to spend in any context.

[Aus]Bulletin (Sydney) 29 Sept. 24/3: Resolved to ‘play-up’ their cash somehow, they bought a Chinese lottery-ticket and gathered-in £20 15s.
[Aus]‘Dads Wayback’ in Sun. Times (Sydney) 14 June 1/6: ‘I’ve played up seventeen millions o’ coin in ther last three years [...] an’ I'm proud on it. For all that coin was spent useful’ .

5. of machinery, or a thing, to malfunction.

[Aus]K.S. Prichard Coonardoo 232: ‘We’ll ride over to the Fifty Mile, if you feel like it. The mill wants looking to.’ Phyllis laughed happily. ‘The old Fifty Mile, still playing up, is she?’.
[Aus]G. Seal Lingo 198: When something is playing up it is not working properly.
S. Travers Tomorrow To Be Brave 175: The car [...] had played up badly on the last two Jock Columns we had been on, stalling suddenly and not starting again easily.

In phrases

play up a drip (v.)

(Aus.) to buy a round of drinks.

[Aus]Gadfly (Adelaide) 14 Mar. 9/2: ‘Are you going to play up a drip?’ he asked after a while. [...] ‘Hit up a round,’ he half explained. / ‘I don’t quite understand’ — I began. / ‘Oh, come off,’ he said. ‘I mean, are you going to shout?’.
play up to (v.)

to indulge, to humour.

[UK]B.H. Malkin (trans.) Adventures of Gil Blas (1822) II 92: Ortiz [...] set her best foot formost, and was determined to play up to my mistress.
[US]A. Kober Parm Me 33: She played up to me all the more.
[Aus]D. Stivens Jimmy Brockett 25: I have to give it to Joanie. She played up to him well.
[US]J.Q. Wilson Police Behavior 156: [A] patrolman [...] has little incentive to ‘play up’ to the citizens.
[Ire](con. 1930s) P. O’Farrell Tell me, Sean O’Farrell 57: I resented those who ‘played up to’ the clergy too. Rogues and villains the half of them!