Upon arriving at a foster home, he walked right in the front door and out again in less than a minute with a tennis ball in his mouth! (safeharborlabrescue.org)
Because cats don't run up to their owners with balls in their mouths, many people assume that they don't want or need to be played with at all. (americanhumane.org)
I'm always dancing the fine line of professionalism and dad jokes (you know, something about these chocolate energy balls in my mouth). (theblissfulbalance.com)