spring fever noun3 •A feeling of invigoration and restlessness associated with the arrival of the warm weather and renewal of nature in the spring season.The air was warm and balmy, carrying that subtle current which caused the mild madness of spring fever. — 1922 •A feeling of laziness or listlessness associated with the arrival of the warm, comfortable weather of the spring season."Yes, missus," replied the negro, scratching his head, "de horses am berry lazy; spec dey's got de spring fever." — 1867 •(Australia, no longer used) Scurvy.
