coolio
Coolio (adjective) means Cool, awesome, or good — a playful slang way of saying something is great. Example: “That new skate park is coolio.”
How to use coolio
Learner’s notesIn plain EnglishA fun, informal way of saying "cool" or "great," often used casually or humorously.
Very informal slang; mostly used in speech or texting, not in formal writing.
Fill the gap
Can you complete this real example?
That new skate park is _____.