1. adjective, childish slang Excellent; awesome; fantastic. Usually hyphenated and used before a noun. Tommy got a super-dooper new video game console for Christmas. Jessica is super-dooper popular. There's no way she'd go to the school dance with me. Aw, jeez, I'm super-dooper sorry about that!
2. adverb, childish slang Extremely; very much; to a great degree. We're all super dooper excited to meet your new girlfriend! It was super dooper hot in Spain, so we stayed on the beach most of the time.