Slang of the Day- "walking on eggshells" walking on eggshells Definition: To be in a delicate situation; to be on the edge of danger or ruin. Example: 1) Ever since I smashed their car, I've been walking on eggshells with my parents. 2) We're walking on eggshells with our landlord -- she told us that if we have one more loud party, she's going to kick us out of our apartment. Etymology: An 'eggshell' is the thin, white outer coating of an egg. The shell is very thin and breaks easily. So if you are 'walking on eggshells' you are in a situation where you could break something (or get in trouble or ruin everything) very easily. Synonyms: walking on thin ice http://www.peakenglish.com/slang/dailySlang.jsp