Funny Dirty Joke

There were 3 women trying to get the most drunk. After an hour of drinking, one woman blew chunks. woman 2 tripped over.
woman 3 crashed her car.
when they met up later the first woman said that she blew chunks, the second that she fell over and the third said that she won because she crashed her car. Then the first woman said"no you dont under stand. Chunks is my dog."