Answer: Slam Chapter 5 Summary. Now that word on the street (a.k.a. at school) is that Sam took some drop-dead gorgeous girl to the movies, he's gotten more popular at school. In fact, a girl named Nikki, who never gave him the time of day before this went around the rumor mill, asked if he wanted to meet her at McDonalds for a date one day.
We can tell that because the dogs are huddled together in fear, there's some sort of danger. Also the snarling suggests they are under caution or going on defense from some danger; they feel threatened.