Thumbs-down votes are a form of negative voting, where a person expresses their disapproval of something by giving it a thumbs-down gesture. NAYS, NOES, and Nos are all terms used to refer to this type of vote. NAYS is the most common term, and is used to describe a single vote of disapproval. NOES is a plural form of nay, and is used to describe multiple votes of disapproval. Nos is a shortened version of NOES, and is also used to describe multiple votes of disapproval.