Usage examples for tup:

• The man in charge of the tups, or rams, was called Tupman or Tupper, the latter standing sometimes for tup herd, just as we have the imitative Stutter for Stodart or Studdart. "The Romance of Names" – Ernest Weekley

• The milk is settled in the pans, And supper messes in the cans; In the hovel carts are wheel'd, And both the colts are drove a- field; The horses are all bedded up, And the ewe is with the tup "The Poetical Works of Henry Kirke White With a Memoir by Sir Harris Nicolas" – Henry Kirke White