Ayckshually (adverb)
Same thing as the word “actually” but saying it in a know-it-all tone. Can be used to mock someone or to show that you are self aware and know you sound like a know it all/nerd.
Teacher: there are three states of matter, gas, solid and liquid.
That one kid: Uh, *ayckshually*, there are 5, you missed plasma and Bose-Einstein condensates.