1. skipping school or work without permission
Usage: informal; British
2. sleeping in a bunk bed or temporary sleeping place

Examples

• The students were caught bunking off school to go to the mall.
• He’s been bunking classes all week.
• We’re bunking in the cabin tonight.
• The workers are bunking in temporary housing.
• She got in trouble for bunking her afternoon lessons.
• They’re bunking together in the dormitory.