Green’s Dictionary of Slang

1. a lecher.

1629		R. Brome Northern Lasse I v: Captain Anvile, a notable lecherous Tuppe: He has been at me for a bitout of my Masters flock anuie time these three Weeks.
1798		‘Zodiac’ in Hilaria 115: Sign Aries, then maids, is your ram or lew’d tup / A rich pond’rous bag ’twixt his legs.
1904		Sun. Times (Perth) 14 Aug. 4/8: [He] returned to look for triumphs like a gay and frisky tup.

2. a cuckold.

1659		J. Shirley Honoria and Mammon III i: You do command in chief o’re Cuckolds sconce Or Haven, to which all the Tups strike saile, And bow in homage to your Soveraigne Antlers.
1711		Johnson Generous Husband I i: I have mounted some of their Caps, and they shall butt with the best Tups in the Suburbs.
1772		Bridges Burlesque Homer (3rd edn) 2: Latona’s son, that red-fac’d tup.
1785, 1788, 1796		Grose Classical Dict. of the Vulgar Tongue.
1797		Bridges Burlesque Homer (4th edn) I 314: When you have cheer’d each heartless tup, / Leave it to us to keep it up.
1811		Lex. Balatronicum.
1823		Egan Grose’s Classical Dict. of the Vulgar Tongue.

3. an act of sexual intercourse.

1984

Benjamin & Pearl Limericks Down Under 53: In Gippsland at fair Kooweerup / Lived a lady who liked a good tup.