Al gritted his teeth, refusing to snap at the use of his full name. No, that would just be playing right into Scorpius' hand, now wouldn't it? Instead he turned his attention to the traffic light, intent upon simply ignoring the other wizard...
Then promptly glanced right back to him.
"Did you say you were going to try a hot dog?" he questioned, his expression a mixture of confusion and shock. Blinking, he studied Scorpius for a minute to determine if he was joking or not, before finally blurting out, "Since when do you willingly try Muggle food?"