Green’s Dictionary of Slang

snout n.3

[SE snout, nose; the person gets ‘up one’s nose’]

1. the (head of the) penis.

[UK]‘Bumper Allnight. Esquire’ Honest Fellow 115: Jack and his master a wager laid, / Of threescore shillings and ten; / Which of them had the longest p— / [...] / But Jack he did his master beat, / By four inches and the snout.
[UK]‘The Three Degrees of a Rake’s Life’ in Flare-Up Songster in Spedding & Watt (eds) Bawdy Songbooks (2011) IV 276: But after that, what he is then, / She reads a curtain lecture, / He drops his snout, oh! pity men, / Of the pavement he’s inspector.

2. (Aus./N.Z.) a grudge.

[UK]J.F. Mitchell ‘Jimmy Johnson’s Holiday’ 🎵 The watch and chain [...] This artful girl, who called him ‘Earl,’ / Had pawned to pay the bill; / ’Twas up the spout, and Johnson’s snout / Was just as long as Jumbo’s. / Then Jimmy rucked and out got chucked.
V.J. Marshall World of Living Dead (1969) 102: It was all part of the ‘snout’ they had ag’in him.
[Aus]J. Morrison Port of Call 20: Ya go ta sea again with one great beeg head an’ a snout on the whole bloody world.

In compounds

snout diver (n.)

(US) a homosexual fallator.

[US]J. Ellroy (con. 1962) Enchanters 7: He’s a stat rape-o and psycho snout diver.
snout-trout (n.)

a fellatrix.

[US]J. Ellroy Widespread Panic 4: Marilyn (Monroe) was a snout-trout. She dispensed head to rogue pharmacists, XXX-exclusive .
[US]J. Ellroy Widespread Panic 75: La Lupino was a snout trout. She blew him behind the food truck.

In phrases

have a snout on someone (v.) (also take a snout on someone)

to bear a grudge against someone, to take offence.

[NZ]Truth (Wellington) 12 Aug. I: The Grey candidate has a snout on the law courts. ‘I got fourteen days,’ he said [DNZE].
[Aus]Sun. Times (Perth) 13 Jan. 4/7: On small-fry Paddy HopkinsG. / Has what they call a ‘snout’.
[UK]Guardian 27 Nov. 16/5: ‘I’ll tell you who has given you away — ‘Toffy’ Thomas is the man [...] He has got a “snout” against you’.
[Aus]Baker Popular Dict. Aus. Sl. 69: Snout on, have a, to bear a grudge against a person.
[Aus]L. Glassop Lucky Palmer 212: You can’t tell me Harry Bailey’s fair dinkum. He’s got a snout on the Kid for something.
[Aus]D. Niland Big Smoke 160: Take a snout, get a set on you for nothing.
[Aus]A. Seymour One Day of the Year (1977) I i: Why’s she got a snout on Hughie? What’s he done?
V. Priddle Larry and Jack 13: He [...] would often say the police had a snout on him and had him before the bench many times [AND].
[Aus]Bulletin (Sydney) 20 July 17: I have a feeling he has a ‘snout’ on Aunty and takes every opportunity to criticise her.
[NZ] McGill Reed Dict. of N.Z. Sl.