penultamour

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!

by skc107 January 14, 2009

jackback

An episode of LOST that is Jack-centric.

"Dammit! ANOTHER jackback this week?

by skc107 June 20, 2007