adj.: Not capable of being understood, because either the speaker or the audience (or more usually both) is under the influence of way too much weed.
"Although I'm sure you're absolutely right and we really do have all these microscopic alternative universes floating around in our lungs or whatever, that last ten minutes was completely incomprehempsible. Perhaps we shouldn't smoke any more. Pass the lighter would you old bean? I seem to be unable to move."
by BruceyBrutus August 13, 2005