1. 
   Wack
   Substandard or incorrect (derived from 'out of whack'). Anything that looks cheesy or weak. Badly formed letters, incompetent fills, dumb tags, etc.
   Found op http://www.graffiti.org/faq/graffiti.glossary.html
   
   
2. 
   Wack
   Slang: Not very good -Usage: 'That's wack' - Other terms Shit, waste
   Found op http://news.independent.co.uk/uk/this_britain/article1949469.ece
   
   
3. 
   Wack
   Wack is slang for a cigar dipped in embalming fluid.
   Found op http://www.probertencyclopaedia.com/browse/ZW.HTM
   
   
4. 
   Wack
   Wack is slang for a cigar dipped in embalming fluid.
   Found op http://www.probertencyclopaedia.com/browse/ZW.HTM
   
   
5. 
   WACK
   WACK (1420 AM) is a radio station broadcasting a news talk information format and licensed to Newark, New York, USA. The station is owned by Waynco Radio, Inc., and features programing from CNN Radio, ESPN Radio and Westwood One. Programming heard on WACK includes National Farm Report with Orion Sa...
   Found op http://en.wikipedia.org/wiki/WACK
   
   
6. 
   wack
   1) Very bad, slangily
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/wack/1
   
   

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