Green’s Dictionary of Slang

truck n.1

[naut. jargon truck, the ‘cap’ on the very top of a mast]

a hat.

[UK]Hotten Sl. Dict.
[UK]Sl. Dict.
[UK]Farmer & Henley Sl. and Its Analogues.
[Scot]Dundee Courier 3 Mar. 8/1: The Hat in Slang [...] A by no means exhaustive list would include ‘tile,’ ‘golgotha,’ ‘canister,’ ‘castor,’ ‘chimney,’ ‘colleger,’ ‘cock and pinch,’ ‘cowshooters,’ ‘david,’ ‘digger’s delight,’ ‘fantail,’ ‘gomer,’ ‘goss,’ ‘moab,’ ‘molocher,’ ‘muffin cap,’ ‘mushroom,’ ‘pill box,’ ‘stove pipe,’ ‘thatch,’ ‘truck,’ and ‘wee jee’.

SE in slang uses

In compounds

truck driver (n.)

(US black) an ostentatiously ‘masculine’ homosexual or lesbian, poss. dressed as a trucker or in similar macho clothes; also attrib.

[US]Goldin et al. DAUL 227/1: Truck driver. (Ironically) One who is not perverted.
[US]W. Motley Let No Man Write My Epitaph (1960) 251: He moves among ‘truck driver’ girls in blue jeans, some of them women baseball players.
[US]J.P. Stanley ‘Homosexual Sl.’ in AS XLV:1/2 47: Male homosexuals always define dyke as ‘lesbian’ without intended derogation, but female homosexuals interpret it as a pejorative referring only to a specific, generally avoided type of lesbian, one also known as a truck driver.
[US]B. Rodgers Queens’ Vernacular 201: truck driver 1. homosexual, male or female, with masculine characteristics.
[US](con. 1950s) Kennedy & Davies Boots of Leather (2014) 7: Sometimes butches of the rough crowd were referred to as ‘diesel dykes’ or ‘truck drivers’.
truck jewellery (n.) [? one needs a SE truck to carry it or SE truck, miscellaneous articles suitable for barter]

(US black teen) items of large, gold jewellery.

Rare Dave ‘Reviews’ at CheckOutWax.com 🌐 This one takes me back to 86, I was in NYC rockin’ truck jewellery listening to Red Alert on Kiss, when this joint came on and I was blown away………ok, ok – so it was 1991, I was really in Essex rockin’ acne, and Westwood played it on the legendary Capital Rap Show. I just had to obtain this record.
Rich Rock ‘Daily News’ 1 Jan. at Sohh.com 🌐 This keeps Rick in the U.S. while they consider his case. However, this doesn’t mean our favorite truck-jewelery wearing / storytelling emcee won’t have to bounce from the US.
truckload (n.)

a large amount.

[US]G.V. Higgins Patriot Game (1985) 85: He would go out and get a truckload of used shingles and siding.
[US]C. Hiaasen Lucky You 70: The assholes have already charged a truckload of stuff on my Visa.