Green’s Dictionary of Slang

Portagee n.

also Portugee, Portygee

1. a Portuguese person.

J.F. Cooper Water Witch II 197: It being altogether unreasonable to suppose that a Portuguee should do what an Englishman had not yet thought of doing.
Drogheda Argus 26 Aug. 1/5: No wonder the french mistook ye for a Portagee.
[UK]West Kent Guardian 4 July 6/3: The dickens a one o’ the like o’ Mrs Adams [...] ud ate the same Queen [...] just as soon as a Portagee would.
Sthn Reporter (Cork) 10 Feb. 3/4: I would have sent you some from Rio but i could not undersatand the Portagees.
O.W. Holmes Elsie Venner II 140: I can’t help mistrustin’ them Portagee-lookin’ fellahs.
[UK]Western Times 29 Jan. 2/5: One Spaniard, two Portagee, ’long come an Englishman and took them all three.
[UK]Reading Mercury 10 Jan. 8/3: Mr Smith ably performed the duties of M.C., ‘Portagee Joe’ acting as policeman.
[UK]S. Wales Echo 3 Apr. 4/2: The crew [...] had been sworn at fore and aft, and called ‘Portagee dogs’.
[US]H. James Ambassadors (1960) 127: I think I make out a ‘Portagee’.
[UK]Kipling ‘The Bonds of Discipline’ in Traffics and Discoveries 45: He didn’t see why a lop-eared Portugee had to take liberties with a man-o’-war’s first cutter.
[US]G. Herriman Dingbat Family 8 May [synd. cartoon strip] A mustash like a ‘Portygee baron’.
[US]P. & T. Casey Gay-cat 58: Got ut down at th’ Portugee’s when youse went out.
[US](con. 1917) J. Stevens Mattock 24: The Portugees went to singing in their own language.
[Can]R. Service ‘The Ballad of How MacPherson Held the Floor’ in Bar Room Ballads (1978) 614: Likewise Dutch, Dago, Swede and Finn, Polack and Portugee.
[UK]J. Colebrook Cross of Lassitude 43: Not Beppo – not that Portygee girl.
[US]Maledicta X 233: The term Portagee, to refer to the Portuguese, is also used, customarily in some orthographic version of Portugee, as the derisive part of an adjectival combination.

2. the Portuguese language.

[US](con. 1900s–10s) Dos Passos 42nd Parallel in USA (1966) 147: His father was a silent man and spoke mostly Portugee.

In compounds

Portagee colonial (n.) (also Portagee chic, Portugee chic, ...colonial, immigrant chic) [racial stereotyping]

(US) cheap furniture, touted as ultra fashionable and peddled mainly to gullible recent immigrants.

[US]Maledicta X 233: Portagee colonial (or Immigrant chic) refers to that cheaply made ‘modern’ furniture, the chief buyer of which is the unsuspecting recent immigrant.
Portagee lawnmower (n.) (also Portugee lawnmower) [racial stereotyping]

a goat used to keep the grass trimmed.

[US]Maledicta X 233: A Portagee lawnmower is a goat used to keep down growth.
Portagee lift (n.) (also Portugee lift) [racial stereotyping; orig. used on US docks]

one who carries less than their share of a load.

[US]Maledicta III:2 171: Portugee lift n Letting another do most of the lifting.
[US]Maledicta X 233: Portagee lift, a combination used by longshoremen to criticize one another when someone carries less than his share of the load.
Portagee overdrive (n.) [the stereotyped poverty of Portuguese immigrants]

(US) freewheeling down hills to save petrol.

[US]Maledicta X 233: Portagee overdrive, the ‘gear’ used by a trucker (or other driver) to coast downhil with gears disengaged.