Green’s Dictionary of Slang

pope n.

(US) an Irish (and Roman Catholic) person.

[US]T. O’Brien Going After Cacciato (1980) 43: Vote Irish. Stick a pope in the White House.

SE in slang uses

In compounds

pope-head (n.) [-head sfx (2)]

(Ulster) a Roman Catholic.

[Ire]D. Healy A Goat’s Song 11: Then the girls learned at school how their father had been teaching manners to popeheads .
V. Sayers Distance Between Us 270: When I was a kid, we’d get a popehead and beat him silly, wouldn’t we?
R. Kitchen Seeds of Evil 480: Yourself and the popehead go over to England and ask a few questions about the wee soldier.
pope’s eye (n.) [earlier use is SE]

the lymphatic gland surrounded with fat, found in a leg of mutton.

S. Brooks Miss Violet and her Offers (1875) 308: The oratorical undertaker having made a most successful joke about the Pope’s Eye on a leg of Protestant mutton.
[UK]R.D. Blackmore Lorna Doone (1923) 432: You should have the hot new milk, and the pope’s eye from the mutton.
[UK]Sl. Dict. 258: Pope’s-eye a peculiar little part in a leg of mutton, much esteemed by lovers of that joint.
pope’s nose (n.) [var. on parson’s nose under parson n.; usu. in Protestant use]

the rump of a chicken or turkey.

[UK]Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Popes Nose. The Rump of a Turkey.
[UK]Grose Classical Dict. of the Vulgar Tongue (2nd edn) .
[UK]Lex. Balatronicum.
[UK]Hotten Sl. Dict.
[UK]Cornishman 22 July 2/1: The cooked tails of poultry resemble some forms of mitres. Hence we get Pope’s nose (in Ireland) and Parson’s nose in England.
[US]Reno (NV) Eve. Gazette 28 Apr. 2/2: The rump of a fowl is the ‘pope’s,’ ‘parson’s’ or ‘bishop’s nose.’.
[US]Wood & Goddard Dict. Amer. Sl. 38: parson’s nose. Rear end of cooked fowl; also called pope’s nose, rabbi’s nose, Darwin’s nose.
[US]M. Sandoz ‘Sandhill Sundays’ in Botkin Folk-Say 309: ‘Mr. Gordon, what piece of the chicken will you have?’ ‘The Pope’s nose,’ replied the guest.
[Can]M. de la Roche Whiteoak Heritage (1949) 20: It was annoying to see heedless Piers devouring those juicy bits [...] just north of the Pope’s nose.
[Aus](con. 1941) E. Lambert Twenty Thousand Thieves 150: Can I have the Pope’s nose?
[UK]G. Lambert Inside Daisy Clover (1966) 9: I wrote ‘My sister Gloria is the Pope’s nose’ on the wall of the girls’ john at school.
[US]L. Sanders Anderson Tapes 131: I like drumsticks and wings and the Pope’s nose.

In phrases