a bed that has been short-sheeted as a joke.
Origin of apple-pie bed
First recorded in 1770–80
Also called pie bed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British a way of making a bed so as to prevent the person from entering it
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