Definition
A relationship following a prior long-term relationship, usually short in duration and used to help mend the "broken heart".
How People Actually Use It
When a guy/girl falls deeply in love with a person in a short period of time and a sudden break up leads to a rebound that turns into a relationship. Built on the same memories as the first relationship only less meaningful.
"Aww man Rebound relationship are harshhh"
Source: Urban Dictionary