When Nikki, Kaltag, and Star are talking to one another about how they really feel about Steele, Nikki starts to call him a "son of a-" before being cut off by Star. And yes, they are dogs so he'd not be lying.
In the third movie, Stella generates a lot of this.
Boris: You cannot see I'm taking personal bath here? Stella: You bet your little patootie, honey! But I figure two in a bath is a whole lot more fun than one.
This one isn't so much getting crap past the radar as smacking the radar in the face:
Sylvie: " [Jenna] was seen in the boiler room the other night with Balto, and they went in together and they left together. And I heard it from a very reliable source, so don't bother to deny it."