ｐｒｏｍｉｓｅｃｕｏｕｓ

[pruh-mis-kyoo-uh s]

noun

1: an express assurance or a declaration to be involved in indiscriminate mingling or association, especially having sexual relations with a number of partners on a casual basis.
2: a vow to be indiscriminately randy.

_{I included a second one because I felt like I needed to include Isla Fisher in here somehow.}