second best, just some person you use to get over the person you just broke up with. they'll never be enough but they can be an okay distraction.

Getting into a relationship with/hooking up with someone you generally dont care about much simply because you have recently broken up with someone and you are in the process of getting over them and want to have someone to fill the gap until your next meaningful relationship

Going from one relationship to the next right away to avoid the pain of a breakup.

hooking up with someone shortly after being dumped (by someone else) so that you still feel wanted.

the kind of relationship that's simply happening in order to get over one that recently ended

gettin a new b/f or g/f just after a relationship has ended.

someone you pretend to be happy with to get your ex jealous; meghan