Green’s Dictionary of Slang

fizzle v.1

[echoic]

1. to defecate.

[UK] ‘Old Simon the Kinge’ in Farmer Merry Songs and Ballads (1897) III 1: Mine ostes was sicke of the mumpes, / her mayd was ffisle at ease.
[UK] ‘The Display of the Headpiece & Codpiece in Valour’ in Rump Poems and Songs II (1662) 92: Had the Rump but once fizl’d, ’twas the strongest side.
[UK]Motteux (trans.) Gargantua and Pantagruel (1927) II Bk V 554: The devil of anything we do, but fizzling, farting, funking, squattering [...] and doing nothing.
[UK]N. Ward Compleat and Humorous Account of Remarkable Clubs (1756) 241: At Stool I’d fizzle out a thousand Things, / And with Quack’s Bills, then mundify my Breech.

2. (also fisle) to break wind.

[UK]Urquhart (trans.) Gargantua and Pantagruel (1927) I Bk II 331: The false old trot did so fizzle and foist, that she stunk like a hundred devils.
[UK] ‘Panche’ in Furnivall & Hales Bishop Percy’s Folio Manuscript of Loose and Humorous Songs (1868) 65: The woman was windye, & fisled againe.
[UK]C. Cotton Virgil Travestie (1765) Bk I 18: I’ll teach him fizzel in my Piss-pot.
[UK]R. Bull Grobianus 268: Proceed, ye venerable Train! proceed, To fart and fizzle in the Time of Need; Those who retain stale Wind are nasty Sluts.