replacementship 

the relationship you quickly get into after your previous relationship as a replacement

Kid 1: Yo I heard Brittany is single now. True?

Kid 2: Nah. Her and John broke up but she got into a replacementship with Steve.

replacementship by guylafleur June 11, 2010

Replacementship 

The relationship one enters immediately following a break-up. This can be done to help with the healing process, make your ex jealous, or hide the fact that you're still upset about things ending with the last person.

I'm in an open-replacementship... you can never have too many rebounds, right?

Replacementship by AKB1011 June 2, 2011