(fig.) anything (as rumour) which spreads very fast.
ಕೂಡುಗಚ್ಚು
♪ kūḍugaccu
noun
a powdered substance made of burned lime and clay, mixed with water and sand to make mortar or with water, sand, and gravel to make concrete; cement; mortar.
any thing that cements different things together; a bond.