Definition of "Bunk" :

noun: a bed on a ship or train; usually in tiers

noun: a rough bed (as at a campsite)

noun: a long trough for feeding cattle

noun: beds built one above the other

noun: a message that seems to convey no meaning

noun: unacceptable behavior (especially ludicrously false statements)

verb: flee; take to one's heels; cut and run

verb: provide with a bunk

"We bunked the children upstairs."

verb: avoid paying