Skibidi-toilet-ohio-rizz" is a filler word used as an adjective. It is not usually hyphenated, is informal, and is categorized as a slang term. The hyphenated word is a Gen Alpha term that somewhat mocks both themselves and their contemporary trends. An example in a conversation would be:
"Hey, I just got the new Lady Gaga skin in Fortnite."
"That's Skibidi-toilet-ohio-rizz."
"The appears to be quite Skibidi-toilet-ohio-rizz, I would never bear watching it."