tekumakumayakon
A magic incantation used by Akko of Himitsu no Akko-chan to transform.
When transforming, she would say "TekuMakuMayaKon, TekuMakuMayaKon, become a _____" (「テクマクマヤコン テクマクマヤコン ○○になれ～」). The TekuMakuMayaKon is short for "Technical Magic My Compact" (テクニカル・マジック・マイ・コンパクト).