duck out of something
From Longman Dictionary of Contemporary Englishduck out of something phrasal verbAVOIDto avoid doing something that you have to do or have promised to do I always ducked out of history lessons at school. → duck→ See Verb tableExamples from the Corpusduck out of • This boy was more the Weakest Link as he ducked out of taking two decisions to deny Leeds the win they deserved.