Green’s Dictionary of Slang

1. sexual intercourse, often adultery; usu. as dance the hornpipe.

1589		R. Richardson A golden mirrour n.p.: While she at tick tacke, tryes to proue her chaunce, / Her husband is content, a hornpipe for to daunce.
1590		Tarltons Newes 25: Amorous [Stephano] the chief gallant of all the parish for dancing of a Lincolnshire hornepipe in the Churchyard on sondaies.
1607		Dekker & Webster Northward Hoe I iii: Oh Maister Maybery! before your Seruant to daunce a Lancashire Horne-pipe.
1612		W. Fennor Pasquils night-cap 125: [Np]o Promotion, Calling, or Degree / Can be free from the state of Cuckoldrie; / And that the Hornepipe is as sweet a fit / As euer Fidler playd vpon his Kit.
c.1621		Middleton Women Beware Women III ii: I’ll venture but a hornpipe with her, guardianer, Or some such married man’s dance [...] Cuckolds dance the hornpipe.
1629		Massinger Picture III vi: [She] danc’d to his hornpipe or there are liars abroad.
1630		J. Taylor ‘A Bawd’ in Works (1869) II 96: [She is an] old dogge at a hornepipe, her chiefest instrument is a Sackbut.
1655		C. Sorel The comical history of Francion 11: Upon my Faith, you and I can both of us make one good instrument; You shall provide the Horn, and I the Pipe, and of that you may make a Hornpipe. The Gentleman who had hardly been married three days, was very angry to hear himself so soon called Cuckold.
1679		Beaumont & Fletcher Fifty comedies and tragedies 78: Elder Lo. [S]ure she has some Meeching Rascal in her house, some Hind, that she hath seen bear (like another Milo) quarters of Malt upon his back, and sing with’t, Thrash all day, and i’th’ evening in his stockings, strike up a Hornpipe.
c.1700		London-Bawd (1705) 3: [She is] a great Practitioner in Prick-Song, but she is most expert at a Horn-Pipe.
a.1749		Robertson of Struan ‘A la mode de France’ Poems (1752) 269: She ne’er to a Horn-pipe would frisk any more.

2. a penis.

1658		F. Osborne Historical Memoires 89: Many a Horne-pipe he tun’d to his Phyllis, And sweetly sung Walsingham to’s Amaryllis. Till Atropos clapt him.
1772		Bridges Burlesque Homer (3rd edn) 243: [He] took the girl, and buckl’d to’t, / And fairly danc’d his hornpipe out.