Thieve's Cant Dictionary

[Krug]

http://www.fromoldbooks.org/NathanBailey-CantingDictionary/A/

Kewl.

 

[Umbran]

Or, if you need a cant/slang for lower class folks, you can use Cockney Rhyming Slang

 

[Wombat]

There is also this dictionary:

http://www.gutenberg.org/etext/5402

 

[hanasays]

Not as "serious" as the above resources, but I still enjoy referring to this one when I'm playing a buccaneer-type character:

http://www.io.com/~sj/PirateTalk.html

 

[Knightfall]

I vote that this threads gets moved to Plots & Places and is stickied there.

Excellent stuff!

 

[Whitemouse]

Excellent stuff!

Yes, indeed. Totally yoinked for my BFRPG game with my son.