Dirty- What’s with the Sh*t-eating Grin?

Dirty seems so incredibly pleased with himself these days.  No questioning, no remorse over recent events… never mind that he is probably a wanted man after the authorities found King Tut dead in his office…  All bulked up and smiling like he’s got the world by the tail…

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All I can say is that the pelican or egret or whatever it is in panel three had better get ready for a long period of awful digestion…  I really don’t think that iguana is going to go down or process very well… a great metaphor for Dirty- probably biting off more than he can chew!