1. Shmatt is a charactor from a greek mythological series of stories: 'The Adventures of Othlerykious', where Shmatt, a young hero in training has reoccuring nightmares about his own death.
2. Shmatt is a word that also means 'Night Stalker', which can also be used as offensive language towards a person or object.
This word can be used in conversations...
>'I hate you'
<'I only tail-gated you!'
>'You are a Shmatt!
<'There is no need to get aggressive!'