Emotional wreck means in slang: Each teenager in everything that they do.
(in Slang Dictionary, added by Bethany Dominguez)
What else does Emotional wreck mean?
A state in which all your emotions and thoughts are mixed up into one large mess. This can happen after the loss of a close friend, after a bad breakup, after losing something of sentimental value or after really really awful days. The most common symptoms are feeling lost and confused with no idea of who to anger. You may also feel the need to create an urban dictionary definition.
(in Slang Dictionary, added by Chase Berg)