Green’s Dictionary of Slang

dreamboat n.

(orig. US)

1. (also charmboat, dream bait) a particularly attractive man or woman, the fuel of one’s fantasies.

[US]Slanguage Dict. 61: Somebody’s rocking my dream boat – another fellow is dating my girl.
[UK]C. Harris Three-Ha’Pence to the Angel 189: Every time a new face turns up, it’s ’er dream boat.
[US]R. Chandler Long Good-Bye 133: He didn’t kid himself he was any dreamboat, just a steady worker bringing home the pay-cheque.
[US]J. Thompson Swell-Looking Babe 3: A dream boat — and that’s the way he’d better leave her.
[US]E. Dundy Dud Avocado (1960) 171: Stefan [...] is a great charmboat in a twinkling, grey-haired, pink and paunchy way. I just love sexy fat men.
[US]I. Freeman Out of the Burning (1961) 203: What a solid doll, a dreamboat.
[US]Wentworth & Flexner DAS 162/1: dream bait An attractive, personable, popular person of either sex.
[US]Homosexuality & Citizenship in Florida 27: Glossary of Homosexual Terms [...] dreamboat: A term used to characterize an unusually attractive homosexual.
[UK]J.P. Carstairs Concrete Kimono 10: Your Lord Mayor is a dreamboat.
[UK]Nova Apr. 83: Walls plastered with Mick Jagger, Steve McQueen and all the impossible riches of the occident: their ideals, their dreamboats.
[Can]M. Atwood Cat’s Eye (1989) 207: Don’t you think he’s a dreamboat?
[Ire]P. McCabe Breakfast on Pluto 32: O he was a dreamboat, that old Dummy Teat.
[UK]M. Amis Experience 78: Bruno was the dreamboat who always danced with the wallflower.
[UK]Sun. Times (London) Culture 19 Mar. 🌐 Prince Filippo Orsini, a top dignitary in the Vatican hierarchy who [...] romanced the British dreamboat Belinda Lee.

2. attrib. use of sense 1.

[UK]Guardian Rev. 21 Apr. 14: The perfect dreamboat hair.

3. something particularly attractive, esp. a car.

[UK]H. Brush 12 June diary in Garfield Our Hidden Lives (2004) 41: I had to dodge an American jeep [...] The jeep had the name ‘Dream Boat’ on it.
[US]Kerouac On the Road (The Orig. Scroll) (2007) 328: ‘ What a dreamboat [...] Think if you and I had a car like this what we could do.
[US]C. Himes Real Cool Killers (1969) 89: He had a dream boat, a big green Caddy.
[US]E. De Roo Go, Man, Go! 70: ‘What a dreamboat!’ Margy exclaimed. ‘Not you. The wagon.’.
[UK]D. Hamilton Death of a Citizen 71: We’ll go back to young Mr. Blackhat and his Plymouth dreamboat.
[US]S. Longstreet Flesh Peddlers (1964) 19: It’s [a beach house] a dream boat.

4. a general term of admiration or affection (also used ironically).

[US]R. Chandler Little Sister 76: On your way, dreamboat.
[US]‘Hal Ellson’ ‘Pretty Boy’ in Tell Them Nothing (1956) 124: Dreamboat, light it [i.e. a marijuana cigarette] for me.
[UK]J. Osborne Déjàvu Act I: And? What did you reply, dreamboat?