knäpp

Etymology
.

Adjective

 * 1) crazy, weird, nuts

Noun

 * 1) a snap, a click (a short sound)
 * 2) a flick (light blow (with the fingers))
 * 3) a snap, an attack (a sudden change of mentality)
 * 4)  a cold snap, a cold spell
 * 1)  a cold snap, a cold spell