There is so much desperate, crapulous spew from the McCain campaign right now that it's hard to keep track of it all--but this ad, via Andrew Sullivan, marks some sort of low.
Let me add my approbation for your staying with this, and working the crapulous part of the thesaurus.
His crapulous invective only has the power to stigmatize his allies now.
John Adams in Independent However, years after becoming second president of the US, Adams described the equally manly and striking Common Sense as "a poor, ignorant, malicious, short-sighted crapulous mass" - even though that document had been crucial to the Declaration...