Cool your jets, meaning calm down or take it easy, was already older than Kurt from Utah’s mid-1970s childhood near Edwards Air Force Base. The trail points back to the 1950s TV serial Tom Corbett, Space Cadet, whose rocket-age slang included plug...
This week’s Slang This! contestant is not just any word nerd. She’s Dorothea Gillim, creator of the animated PBS series WordGirl. Dorothea tries to guess the meaning of the odd terms pelican crossing and zanjero. The new season of...

