Green’s Dictionary of Slang

toplights n.

the eyes.

[UK]N. Ward Wooden World 95: His first Labour in a Morning, is, to hawl open his Eye-lids, for it costs him many a Rub with his Paws before he can make his Top-lights to shine clearly.
in Misc. Plays II 6: Bless your bright toplights.
[UK]‘Amours of Lord Spindle’ in Covent Gdn Mag. II 71/1: May old Pluto knock out my toplights, if I don’t treat him like a pirate.
[UK]Grose Classical Dict. of the Vulgar Tongue (2nd, 3rd edn) n.p.: Top Lights. The eyes. Blast your top lights.
[UK]J. Davis Post Captain (1813) 55: Heaping a thousand praises on what he called my top-lights.
[UK]Lex. Balatronicum n.p.: Top Lights. The eyes. Blast your top lights.
[UK]‘Bill Truck’ Man o’ War’s Man (1843) 42: I don’t like his top-lights at all, at all.
[UK]W.N. Glascock Naval Sketchbk I 41: Admiral’s top-lights beginning to blink.
[UK]W.J. Neale Paul Periwinkle 342: Why knock my toplights out if I don’t cut over to France, and give myself up.
‘The Smuggler’s fate’ in Lloyd’s Companion 26 Sept. 1/1: ‘Come, Clara, my sweet girl, cheer up, and leave off piping your toplights’.
[UK]F. Chamier Life of a Sailor 168: The ball passing through the rim of yarn’s hat. — ‘That whizzed over my top-lights; —now, sir, blaze away!’ .
[UK]Worcs. Chron. 3 July 4/1: He shivered his tarry toplights.
[US]A.J. Boyd Shellback 348: Dash my tarry toplights and topgallant eyebrows!

In exclamations

douse my toplights! (also blast my toplights! dash my toplights! strike my top-lights!)

a mild oath, synon. for damn (someone’s) eyes! under damn v.

see sense 1.
see sense 1.
[UK]‘Bill Truck’ ‘Man o’ War’s Man’ in Blackwood’s Edinburgh Mag. 15 307/1: Blast my toplights!
[UK]Stirling Merchant Pirate in British Drama 9 (1871) 238/1: Shiver my toplights, if it ar’n’t right-down roguery.
[UK]Era (London) 4 Mar. 6/4: With a ‘shiver my timbers’ or ‘strike my top-lights’ [he] pounced and preveted a catastrophe.
[Aus]Bulletin (Sydney) 7 Feb. 13/2: What ye want most of all, though, is a few good, first-class funerals in yer big Sydney blundering Departments, an’ ef yer don’t get them soon, dowse my top-lights, if ye won’t hev sand enough stored up to make millyunaires ov every grocer in Australia.
[Scot]Aberdeen Jrnl 8 May 8/7: Dash my top-lights ef a thing us would a man’s hair stand on end happened.