Green’s Dictionary of Slang

switch v.1

1. to have sexual intercourse (with); thus switching n., having sexual intercourse [SE switch, to whip].

[UK]Bridges Burlesque Homer (3rd edn) 297: If paris had not got enough / Of trimming her bewitching buff, / But longs to switch the gipsey still.
[UK]Bridges Burlesque Homer (4th edn) I 160: For God’s sake let a brave man switch her.
[UK]P.H. Emerson Signor Lippo 58: Well, my old pot switched with the cook, my old donah, and then she had to slope the kitchen and go to his carsey over the stables, where I was born a twelvemonth arterwards.
[US] blues song in Botkin Folk-Say 337: Lemme be yo’ switch engine, baby, till de main line comes. / I kin do mo’ switchin’, momma, than yo’ main line ever done.
[US](con. 1945) M. Angelou Gather Together In My Name 162: I’ll be back switching and bitching and getting merry like Christmas.

2. (UK black) to lose one’s temper.

[UK]A. Wheatle Dirty South 6: Every kid did this [i.e. swap insults] to test how far could you go, how much you could tolerate before switching.
[UK]A. Wheatle Crongton Knights 9: Dad wanted to give Mum’s clothes to charity when she passed, but Nesta switched big-time when he heard that.
[UK]G. Krauze What They Was 32: The older switched at him like are you mad!

In phrases

switch on (v.)

SE in slang uses

In phrases

switch (on) (v.)

1. (UK black teen) to turn against, to become angry with.

[UK]BBC News ‘Report on Teenage Slang’ 11 Mar. [radio] She switched on her man the other day [...] She got mad with him the other day.
theculturetrip.com ‘Guide to London Slang 10 Jan. 🌐 Switch– to turn on someone instantly with maximum shade.

2. (US drugs) to become intoxicated by drugs.

[UK]Manchester Guardian Weekly 9 May 6: Rumours that you could switch on with the help of the white fibre from the inside of a banana skin.

3. (US, also switch up on) to excite, to arouse sexually.

[US]P. Wylie Esquire July 44–45: switched-on—[...] agitated as ‘that switches me on’.
[US]C. White Life and Times of Little Richard 151: Any given time a girl can choose you or you choose her and they’ll switch up on you.

4. (US) to participate in the latest cultural trends.

[UK]Oz 7 25: [advert] Switch on to Penthouse this month and devour Michael Thomas’s 5,000-word celebration of hippiedom.
switch up (v.)

to fail, to malfunction.

[US]R. Price Ladies’ Man (1985) 34: The only thing that never switched up on me was my dick.

In exclamations

I’ll be switched! [SE switch, to whip]

an excl. of irritation, surprise, denial.

US Mag I 427: I’ll be switched if I do [DA].
[UK]Preston Chron. 1 Aug. 6/6: I drank and in less than an hour I’ll be switched if I had 25 cents left out of two dollars.
[US]T. Winthrop John Brent 196: I’ll be switched round creation ef you do.
[US]J.S. Wood Yale Yarns 181: Well, I’ll be switched!
[UK]Hants. Teleg. 7 Jan. 12/7: American Yarns [...] Ef bear is as plenty round these parts as that, I’ll be switched ef Iwant any!
[US] ‘Wal, I Swan!’ in Botkin Sidewalks of America (1954) 560: Wal, I’ll be switched! the hay ain’t pitched.
[US]B.L. Bowen ‘Word-List From Western New York’ in DN III:vi 443: I’ll be switched, interj.
[US]S. Lewis Main Street (1921) 306: Be switched if sometimes I don’t feel tempted to shine up to some girl.
[US]‘Ellery Queen’ Roman Hat Mystery 83: ‘Well, I’ll be switched!’ he said softly.
[Can]Windsor Star (Ontario) 11 Feb. 6/2: Hephzibah: I’ll be switched.
[US]O. Davis Purlie Victorious in Black Drama II i: Well, I’ll be switched!
switch off! [electrical imagery]

1. (Aus.) give (it) up!

[Aus]Coburg Leader (Vic.) 27 July 1/5: Who is the telegraph boy that is after the boot-makers donah? Switch off, Ed, it's no go.

2. shut up! be quiet!

[Aus]E. Dyson ‘Susie Gannon’s Young Man’ in Benno and Some of the Push 113: Ave a bit iv manners if y’ are fact’ry rats. [...] Switch off.
[UK]J. Manchon Le Slang.