Open all the windows and doors to let fresh air in and turn on fans to push the bad smell out. Put out bowls of vinegar, baking soda, or activated charcoal to absorb the odor. Make a skunk ...
I remember when my family cat got skunked. It was bad - she must have been right next to the critter when it happened - and we tried everything to clean her up, including a bath with strong shampoo, ...