[He can't keep his voice down when Fox descends upon his cock and begins sucking on it in earnest, and he groans aloud through his fingers and squeezes his eyes shut, his toes curling, the claws there scraping against the floor before he has to adjust his stance to keep vertical.]

A-ah... Oh...!

[He's always been vocal of course, but not having someone in front of him to hold onto and occupy his mouth with just makes him louder.]