Definition of do a bunkBritish, informal
- They did a bunk to avoid paying the rent.
: bunk bed
: a built-in bed (as on a ship) that is often one of a tier of berths
: a sleeping place
: to occupy a bunk or bed : stay the night
: to provide with a bunk or bed
: bunkum, nonsense
: a hurried departure or escape
What made you want to look up do a bunk? Please tell us where you read or heard it (including the quote, if possible).