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
But there arose the tuning of a fiddle-"tum-tum, tup-tup!"
"Greene Ferne Farm"
Richard Jefferies
But, I'm betwattled Like a stoorded tup!
"Krindlesyke"
Wilfrid Wilson Gibson