Seoraksan, Mt. Seorak (the highest mountain in the Taebaek mountain range in the Gangwon Province in eastern South Korea)

a staff, measuring 6 shaku (about 1.8 meters), used in martial arts such as 棒術 (bōjutsu) / (by extension) stick-like or long, cylindrical item: pointer, pole, rod, etc.

to shake; (of a hand or flag) to wave; (of a tail) to wag; (of a baseball bat) to swing; to move something back and forth in a circular motion

swing, wield, flourish, wave, shake

assuming the air of, acting like it (when one is not)

bar, staff, stick, pole, walking stick, cane, stave, strove, rod, wand, (shepherd's) crook. / straight line.

(Internet slang) Used at the end of a phrase to indicate flat or deadpan intonation.

be pedantic

be prudish, put on airs

put on airs