BUNK

A 'bunk' is a bed or other place for sleeping, particularly a narrow bed built like a shelf into or against a wall, as in a ship's cabin, or several like beds stacked over one another known as a bunkbed. These enable people to sleep in a high density fashion, using minimal floor space.
Derived from this the verb "to bunk" which carries the connotations of sleeping or having sex.
'Bunk' (slang) can also be used as a shortened version of bunkum, mainly in the United States. A typical usage would be "That class was totally bunk."
'Bunk' is also a term used in the lumber industry to describe 128 boards of a given length. Example: "I need a bunk of 2x4's".
'Bunk' is also used in the farming industry referring to, a 'Feed Bunk', something that also is "built into" a structure, ie: a barn, or feeding trough.
'Bunk' has also been used to describe something that is broken or in a state of disrepair.
'Doing a bunk' refers to the act of retreating.
Tassone invented bunk