"now you are a first-of-May"

A travelling circus in the early 20th century
Permission Granted by Copyright Owner for Use on Book DrumA travelling circus in the early 20th century - Credit: Warrington Library, Museum and Archive Service
The term "first-of -May" was used in circus and carnival slang for novice performers in their first season.  Touring shows worked through the summer months, and traditionally left their winter quarters on May 1st, which meant this was the first day of work for many new acts.