1. Being excessive, exaggerating, repetitive, overly dramatic.
2. Another way of saying someone is continuing to talk about something with enthusiam, when the people surrounding them are obviously growing bored of the idea or topic.
3. Another way of saying someone is over-abusing a joke or story that was funny at one point, but now it's getting annoying or people are becoming weary of it.
Girl: "That girl is so ugly, she went to a haunted house and came out with an application."
Friend: HAHAHAHAHAHA!! :D
Girl: "Haha, yeah! Aaaandd she's so ugly that she broke a mirror! HAHAHAHAH!"
Girl: "Oo, oo, AND she's so ugly, she broke a camera when she got her picture taken! Haahahahahah! HAHAHAH!"
Friend: ".... "
Girl: "AND she's so ugly that when she--"
Friend: "Okay, now ur just draggin it out.."