what is personification, polysyllabic humor,synaesthesia, and vernacular??

The best place to look up these terms is http://www.answers.com

And here are some specialty websites:

http://www.tnellen.com/cybereng/lit_terms/

http://www.uky.edu/AS/Classics/rhetoric.html

http://www.uncp.edu/home/canada/work/allam/general/glossary.htm
(Look things up alphabetically here.)