Wack

Substandard or incorrect (derived from 'out of whack'). Anything that looks cheesy or weak. Badly formed letters, incompetent fills, dumb tags, etc.
Found on http://www.graffiti.org/faq/graffiti.glossary.html

Wack

Slang: Not very good -Usage: 'That's wack' - Other terms Shit, waste
Found on http://news.independent.co.uk/uk/this_britain/article1949469.ece

Wack

Wack is slang for a cigar dipped in embalming fluid.
Found on http://www.probertencyclopaedia.com/browse/ZW.HTM

Wack

Wack is slang for a cigar dipped in embalming fluid.
Found on http://www.probertencyclopaedia.com/browse/ZW.HTM

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. WACK is the station where Lowell Paxson, later the founder of Home Shopping Network and PAX TV, began his broadcasting ...
Found on http://en.wikipedia.org/wiki/WACK

wack

old name for decomposed basalt
Found on http://phrontistery.info/w.html
No exact match found