DCHP-1 Online
forked tongue, speak with † 
originally in Indian parlance, speak falsely; lie.
- 1871 (1883) "You speak with a forked tongue," answered the Blackfoot, dividing his fingers as he spoke to indicate that the other was speaking falsely.
- 1954 Now Henday found that his Crees had been lying all the time. Someone had spoken with a forked tongue.
- 1871 (1883) "You speak with a forked tongue," answered the Blackfoot, dividing his fingers as he spoke to indicate that the other was speaking falsely.