Woof = sound ===> Meow
Cat = animal ===> Dog
Opposite of a Woofcat (IE, a cat which woofs) would be a Meowdog (IE, a dog which meows).
Let's get back on topic.
So Woofcat/Meowdog, how WAS the b-day? Hookers, drugs, booze, cops...give us the details!
Happy birthday, pal, buddy, friend, amigo, mate, Woofcat