the.com/discuss
To shake an idea until something falls out — or someone storms off.
means To talk over a topic with others, examining it from multiple angles to reach understanding or decision.
from From Latin discutere, literally to shake apart or smash to pieces — discuss your differences indeed.
Violent rootsOriginal sense meant to dash or scatter forcibly.
Exam trickOn test papers, code for write three pages.
Same familyRelated to concussion — both involve serious shaking.