summer melt
n.— «Bryant said that, typically, some students change their minds during the summer. However, he said, he is confident that the university will not lose significant numbers to what he calls “summer melt.”» —“SMU Expects Entering Fall Class To Be ’86 Size” by Connie Pryzant Dallas Morning News (Texas) June 25, 1987. (source: Double-Tongued Dictionary)
Further reading
After our conversation about knitters’ slang, including the term stash, meaning “a supply of yarn not currently in use,” a Texas listener shares the message she saw on a sign at her local crafts shop: I hope my husband...
One secret to writing well is … there is no secret! There’s no substitute for simply sitting down day after day to practice the craft and learn from your mistakes. Plus, childhood mixups around word definitions can lead to some funny stories...