sick-out

/ US and Caribbean /

noun

a form of industrial action in which all workers in a factory, etc, report sick simultaneously

verb sick out

(intr, adverb) to take part in such action
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012