(1)A situation or story that someone shares that obviously DID NOT happen,or(2) How someone takes something you've done or experienced it,and take it over the top(to try to outdo or make another jealous).
(1)When someone claims to be the child of someone very rich,and has a fabulous life..but spends their entire day<everyday..all day> in a chatroom.
(2)Her:"My dad got to shake President Obama's hand."
Her2:"That's nothing. My great,great<you get the idea>grandfather got to cross the Delaware with George Washington."
Her:"Bitch,you know that DID NOT happen. I see you're channeling another of your fucking uncidents again,lying ass!"