Based on the term "subussy", a "spongussy" is using Spongebob as a substitute for a pussy. Typically used by JimmyHere fans, this is a common phrase to throw into any conversation.
Michael: "Damn bro look at that spongussy"
Aiden: "I regret becoming friends with you"
Jess: Damn did my cat join the smokussy community? He sounds awful.
Ash: What's that?
Jess: Well when a bunch of cats smoke together.
Ash: Oh then Princess has been in the smokussy community for a while now.
Jess: Ash, Princess is a boy.