{Transliteration from the original Yiddish}

Noun:
To 'bounce off the walls', nervous energy without purpose. In English - to be 'on pins and needles'. Common in kids when they have had too much sugar, or adults too much caffeine {or any combination of same}. Kids with ADD or ADHD before they are medicated.

One who has a mania for music.

Yiddish. The type of boredom that makes you want to scream and jump up and down, as opposed to the type of boredom that puts you to sleep.