A friend posted this on FB: http://www.buzzfeed.com/aj8/19-jokes-only-grammar-nerds-will-understand-cfe3

Warning: Parts of it are a little raunchy (comma sutra), but other parts are really cute. 
eg:
What's another name for Santa's elves?
Subordinate clauses (HAH!)


Linda Di Desidero, PhD

Director, Leadership Communication Skills Center

Marine Corps University

Gray Research Center, Room 122

Quantico, Virginia 22134

703-784-4401

To join or leave this LISTSERV list, please visit the list's web interface at: http://listserv.muohio.edu/archives/ateg.html and select "Join or leave the list"

Visit ATEG's web site at http://ateg.org/