קאַטשן

Etymology
Most likely.

Noun

 * 1) cob
 * 2) corn on the cob
 * 3) ear (of corn)
 * 4) core (of cabbage)
 * 5) core (of fruit)
 * 6) blockhead, moron
 * 1) blockhead, moron
 * 1) blockhead, moron