pizzle
noun
piz·zle ˈpi-zəl 
1
: the penis of an animal
2
: a whip made of a bull's pizzle
Example Sentences
Recent Examples on the Web This tassel hangs just below groin level, like a scarlet bull’s pizzle. 
New York Times, 18 Feb. 2020
New York Times, 18 Feb. 2020 Word History
Etymology
probably from Dutch dialect pezel; akin to Low German pesel pizzle
First Known Use
15th century, in the meaning defined at sense 1