Weary Traveller: What is the meaning of life oh wise and exalted one?
Crusty Hermit: Well, you see, life...life is a river, and...well...ok...you see, thart.
W.T.: Ah! And all this time...
A thoughtbased in ignorance, self-indulgence or other characteristic of harmful ideology or values that, when shared with others, causes a very negative reaction and/or repulsion which reflects the foulness of the thought back to its owner.
Biden's idea to fix the border was just another thart! His thought was so bad that it appears to have been spoken to us using his asshole for a mouth, and it was received like a deadly fart in a crowded elevator! He should keep his ignorance to himself.