Well - what the F--k!
If we are moving on into eating them....one of my all time favorites (because of its effect becoming apparent within two minutes) is YARROW.
Dig up the root - chew on it near the tip of the tongue - and you can feel a "novacain" type numbness spread.
The American Indians have used its root for "tooth-ache."
Sincerely,
Gargoyle
I'd suggest smoking indian tobacco - but no one should be encouraged towards a vice.