also: さぼりぐせ
noun
habit of skipping out; truancy habit; procrastination habit
Refers to a tendency to avoid responsibilities, skip school/work, or put things off. Often carries a negative, self-critical tone.
彼のサボリ癖はなかなか直らない。
His habit of skipping out is hard to fix.
サボリ癖がつくと、仕事に支障が出る。
Once you develop a procrastination habit, it affects your work.
怠け癖 is a more general 'laziness habit', while サボリ癖 specifically implies skipping duties or being truant.
Compound of サボリ (from verb サボる, 'to skip/slack off', itself from French 'sabotage') and 癖 (くせ, 'habit').