[All] The Hidden Secrets of FX's Electronic Shock Lyrics

Did you know the secret hidden in the lyrics of f(x)'s 'Electronic Shock'?

f(x) is known for its difficult lyrics, so I just skipped over it since it makes sense in context, but they gave us another hidden easter egg(?) in the introduction.

Kindly give me electronic shock

The lyricist who explained it in Korean as electric shockㅋ

I've heard of it at least 100 times, but I didn't know about it lol