šiukšlė

Etymology
Pokorny's comparison with, presumably both as derivatives of seems semantically far-fetched and doesn't account for the palatalisation of š.

Noun

 * 1)  litter, garbage discarded items
 *  šiukšlès šiùkšlių ! - Throw your rubbish in the trash!
 * 1) a piece of litter;  a piece of rubbish, trash something worthless
 *   šiùkšlę - I've gone and bought another piece of rubbish.
 * 1)  good-for-nothing, worthless person
 *  šiùkšlė  ? - When will that piece of garbage finally resign?