Worry wart
Meaning
A person who worries excessively.
Usage
Playful tease for anxious folks.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Childish coinage linking worry with warts.
American slang from the mid-20th century.