Green’s Dictionary of Slang

the penis.

c.1660		C. Cotton Valiant Knight 12: To one Don Fabro then he marches, / Showing him what he got i’ th’ Arches, / While scalded Pego linen starches.
1674		F. Fane ‘Iter Occidentale’ Harleian Mss. 7319.20: Sound and sickly C--ts of Christendome [...] on Pilgrimage to St. Pego come.
a.1680		G. Etheredge ‘Mr. E.’s Answer’ in Sackville Poems 109: Every Limb was stiff as stake / Unless poor Pego, which did feel / Like slimey skin of new stript Eele.
1690		‘Teague’ Teagueland Jests I 126: De Deevilish Beesh [...] have put de Poxsh [...] upon poor Pego.
1691		N. Ward ‘The Poet’s Ramble after Riches’ in Writings (1704) 8: Pego like an upstart Hector, Finding how much I did affect her [...] I scarce could keep him in my Codpiece Would fain have Rul’d as Lord Protector.
1733		Laugh and Be Fat 26: Beholding with sorrowful Eyes, the little Spectacle in he Fire [...] as if it had really been poor Pego.
1763		J. Wilkes Essay on Woman 14: Can thy Pego reach? / Was that great Ocean, that unbounded Sea, / Where Pricks like Whales may sport, fathom’d by Thee?
c.1786		Grose Classical Dict. of the Vulgar Tongue ms. additions n.p.: Pego, a man’s Penis.
1786		Nunnery Amusements 15: Pego calls to arms, / And fiercely strains to plunge into her charms.
1793		Bacchanalian Mag. 100: Who’d have thought it of the jade, / Tho’ her c—t was sore, Sir; / When poor p—o drops his head, / Wou’d call out for more, Sir!
1811		Lex. Balatronicum.
1834		‘A Long Strong P-go’ in Flare-Up Songster 10: P stands for P-go-strong P-go-long strong Pego.
1837		‘The Bawdyhouse Bedstead’ in Ri-tum Ti-tum Songster 6: And long pegos as thick as my posts, sirs.
1846		Swell’s Night Guide 107/2: Ace of spades [...] see pego and cartsue.
1866		E. Sellon Phoebe Kissagen n.p.: He took the two little naked girls, placed one astride his pego, while he gamahuched the other.
1879		‘Lady Pokingham’ in Pearl 2 Aug. 18: Unbuttoning his trousers and handling his already stiff pego [etc].
1888–94		‘Walter’ My Secret Life (1966) II 294: Her cunt stuck tight and full with my pego.
1898		Forbidden Fruit 23: My pego seemed to grow in importance, and raised its head.
1901		More Forbidden Fruit 11: [She] only succeeded in getting one [finger] up alongside of Mr Pego.
1903		Kate Percival Life & Amours (1967) I 59: In a moment his pego was knocking at the mouth of her womb.
1925		E. Field ‘A French Crisis’ in Facetiae Americana 20: To this illustrious pego and its adjacent flop [etc].