spike out
v. phr.— «If travel time to the side (or flank) of the fire where firefighters are assigned, they could be asked to “spike out” which means sleep in place rather than in the camp.» —“Release No. 0303.07: The Basics of Wildland Firefighting” United States Department of Agriculture Oct. 24, 2007. (source: Double-Tongued Dictionary)
Further reading
Do you refer to nighttime sleepwear as jammies, jommies, or something else? A Nashville, Tennessee, woman says that her family referred to pajamas as jommies, while her husband’s family always called them jammies. Although jammies is the far more...
A firefighter named Steve in Newport News, Virginia, wonders why in his line of work, and for some police, certain additional kinds of days off after long unbroken shifts are called Kelly days, Kelly shifts, or Kelly time. The term most likely comes...