from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A shortsheeted bed in which a sheet is folded back on itself halfway down as a practical joke so that the victim cannot get into it.
from the GNU version of the Collaborative International Dictionary of English
- a bed in which, as a joke, the sheets are so doubled (like the cover of an apple turnover) as to prevent any one from getting at his length between them.
Sorry, no etymologies found.