Anything with the darkings in Trickster's Queen. Especially when they tell Aly what's going on at the palace when Imajane thinks Rubinyan is cheating on her. "She has nothing left to throw unless she picks up chair. ...Uh oh. She picked up chair."
Aly's attempt to spy on Dunevon with one is foiled because Dunevon finds it and is caught jumping up and down on his bed with it.
Terrier: When Pounce has had enough of being cuddled by Beka's friends ("This is undignified! I am not a toy!") and marches off to find a stray kitten that needs a home and gives it to Aniki. ("I cannot let you maul me about. Do it to him.") And then goes and finds another one when Kora accuses him of preferring Aniki.
Also in Terrier when Becka says that Rosto's hair is silver, we get this little jewel: