1. 
   thwack
   [n] - a hard blow with a flat object
   Found op http://www.webdictionary.co.uk/definition.php?query=thwack
   
   
2. 
   Thwack
   Thwack (thwăk) transitive verb [ imperfect & past participle Thwacked ; present participle & verbal noun Thwacking .] [ Confer Middle English thakken to stroke, Anglo-Saxon ...
   Found op http://www.encyclo.co.uk/webster/T/53
   
   
3. 
   Thwack
   Thwack noun A heavy blow with something flat or heavy; a thump. « With many a stiff thwack , many a bang, Hard crab tree and old iron rang.» Hudibras.
   Found op http://www.encyclo.co.uk/webster/T/53
   
   
4. 
   thwack
   A heavy blow with something flat or heavy; a thump. 'With many a stiff thwack, many a bang, Hard crab tree and old iron rang.' (Hudibras) ... Source: Websters Dictionary ... (01 Mar 1998) ...
   Found op http://www.mondofacto.com/facts/dictionary?thwack
   
   
5. 
   thwack
   noun a hard blow with a flat object
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=thwack
   
   
6. 
   thwack
   verb deliver a hard blow to; `The teacher smacked the student who had misbehaved`
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=thwack
   
   
7. 
   Thwack
   • (v. t.) To fill to overflow. • (v. t.) To strike with something flat or heavy; to bang, or thrash: to thump. • (n.) A heavy blow with something flat or heavy; a thump.
   Found op http://thinkexist.com/dictionary/meaning/thwack/
   
   
8. 
   Thwack
   [Harper`s Island] == Licensing: == ...
   Found op http://en.wikipedia.org/wiki/Thwack_(Harper`s_Island)
   
   
9. 
   thwack
   1) A hard blow with a flat object 2) Blow 3) Hitting sound 4) Impact noise 5) Sharp blow 6) Smack with a book, e.g.
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/thwack/1
   
   

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