jäkittää

Etymology
Probably of origin. Compare, ( could be a sound-symbolic blend of these two, in which case the next word is likewise),.

Verb

 * 1)  To be stiff, unnatural; to do (something) stiffly.
 * 2)  To sit at attention.
 * 1)  To sit at attention.
 * 1)  To sit at attention.

Usage notes
Used most often with the commands and.