Brewer's: No More Poles
Give over work. The cry in hop-gardens when the pickers are to cease working.
“When the sun set, the cry of `No more poles' resounded, and the work of the day was done.” —The Ludgate Monthly: Hops and Hop-pickers, November, 1891.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894