1. A chick so hot she makes superman or you weak in the noggin
2. Something so cool or good that it makes you weak in the noggin (can't think so straight)
Synonyms for kryptonic
On this page, you will find 30 slang terms related to Krypton's. Some of the top words include: nargis, Hotity, squig, sqwee, one fine bottle of Pepsi, and 25 more.