|slang an awkward or delicate matter|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a gadget; dingus; thingumbob.|
hot potato definition
A problem so controversial and sensitive that it is risky to deal with. For example, Gun control is a political hot potato. This term, dating from the mid-1800s, alludes to the only slightly older expression drop like a hot potato, meaning "to abandon something or someone quickly" (lest one be burned). The idiom alludes to the fact that cooked potatoes retain considerable heat because they contain a lot of water.