1. bullets designed to expand on impact, causing greater damage
Usage: military; often considered inhumane in warfare
2. round lollipops on sticks
Usage: trademark; informal

Examples

• The Geneva Convention prohibits the use of dumdums in warfare.
• Military experts discussed the devastating effects of dumdums on the battlefield.
• The candy store sold colorful dumdums in various flavors.
• Children lined up to buy dumdums after school.
• She unwrapped a cherry dumdum and popped it in her mouth.
• The treaty banned expanding dumdums for being too destructive.
• His favorite childhood treat was grape dumdums from the corner store.