Green’s Dictionary of Slang

of a man, to have sexual intercourse.

1665		Head Eng. Rogue I 363: But at last [...] I boarded her, and made her lawful prize: mistake me not, I rummag’d not in her Hold, fearing she was a Fire-ship.
1675		Head Art of Wheedling 205: He [...] never is at quiet till he hath made a prize of some or other, whom he tows off to a Tavern, and there rummages the Hold at pleasure.
1707		Fifteen Plagues of a Maiden-Head 5: I’ll be thus plagu’d, and live in daily Misery / Till some Spark shall rummage all my Wem about.
1714		N. Ward Whole Pleasures of Matrimony 159: Knowing right well she had a heavy Freight of Leathery, and wanted to be mann’d ... To take up her low Hatches he makes bold, Being resolv’d to rummage in her hold.
1729		Johnson Village Opera IV i: I will show you the way to your Closet, just Toss you upon the Squab, and Rummidge you till you are as Tame and as Indolent as a Pig in a Pease-mow.
1795		‘Peter Pindar’ ‘Pindariana’ Works (1796) IV 331: Lubin would give me a green gown, And rummage me to pieces.
1834		‘The Soldier from Flanders’ in Randy Songster in Spedding & Watt (eds) I 211: But when he had rummaged her city about, / He like a poor cripple came tumbling out.
1890–1904		Farmer & Henley Sl. and Its Analogues.
1896		Farmer Vocabula Amatoria (1966) 127: Farfouiller. To copulate; ‘to rummage.’.