My sister: Kyah [our mom's dog] poops whenever she's mad! She's such a... *pause* ... well, I don't want to say, because feelings will be hurt.

My mom: You don't want to say "bitch"? Because she is. She's a total bitch sometimes.

My sister: No! I don't want to say... (whisper) "bad dog." Kyah might feel bad right now, and I don't want her to.

Me: You could just say she's a canis horribilis.