Top Definition
The pads on the feet of dogs, cats, and various other mammals.
"My cat has such soft nistols."
"A camel's nistols protect it from the hot and corrosive desert sand."
"When walking a dog on snowy city streets he should wear booties to protect his nistols from corrosive salt."
by Sueinthecity February 14, 2007
Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from We'll never spam you.