Cause it was FUNNNNNNNNN!!!!!!!!!! Dogs Like Poop!!!!!! And other Gross stuff!!! C'mon... dogs like to chew the crotches out of underwear!

Sniff other dogs butts!

Eat Bugs!!!

Nothing should Surprise us!!!!
Its not really the rolling in the poop thats bad... its the having to get it off so they don't track it all over the house thats eeeewwwwww!!!!
Now, this begs only one question... was it her poop???