Lol.
su·per·ca·li·fra·gil·is·tic·ex·pi·a·li·do·cious
/ˌso͞opərˌkaləˌfrajəˌlistikˌekspēˌaləˈdōSHəs/
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adjective: supercalifragilisticexpialidocious; adjective: supercalifragilistic
extraordinarily good; wonderful.
"the only word to characterize Kepler's discoveries was ‘Supercalifragilisticexpialidocious’"
Origin
1940s: apparently a fanciful formation based on super, popularized by the 1964 film Mary Poppins .
Definitions from Oxford Languages