Bunk off
Definition 1 of 1
Pro Tip 1/3British Slang
The phrase is common in British English but might not be understood elsewhere. 
She bunked off lessons and got in trouble.
Pro Tip 2/3Negative Connotation
'Bunk off' implies a lack of responsibility and is seen negatively. 
He's going to bunk off again and miss his deadlines.
Pro Tip 3/3Informal Usage
Used in everyday speech among friends or in casual settings, not formal situations. 
They're planning to bunk off the club meeting.