Top Definition
The last person to date someone before someone started dating his/her eventual spouse.

First coined by the writers of 'Freakanomics'.
Jenny is such a penultamour, her last three exes have already walked down the aisle!
#unlucky #dating #marraige #missed-connection #bummer
by skc107 January 13, 2009
5 Words related to penultamour
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.