Green’s Dictionary of Slang

an all-purpose negative meaning disastrous, appalling, very bad; as n., a hopeless or unpopular person.

1998		D. Jenkins Rude Behavior 357: In other words, six games where we wouldn’t be tragic underdogs.
1999		Guardian Guide 24–30 July 12: A shiny green rugby/dance shirt that looked more like a tragic McDonald’s uniform.
2004		T. Winton Turning (2005) 118: At school she’s not a complete tragic, but she’s not exactly popular either.