Is "Wicked" a Compliment?

Yes, "wicked" is often a compliment, especially in British English.

When It Is a Compliment

• Praising an experience: "That party was wicked."
• Complimenting skills: "Your presentation was wicked."

When It Is Not

• In formal or written contexts
• When discussing morality or behavior seriously

Conclusion

As slang, "wicked" is usually a positive compliment.