The act of skipping (class/work) or slacking off; truancy or procrastination — colloquial noun from 'サボる'.
今日は気分が乗らなくて、仕事をサボりたくなった。
I wasn't in the mood today and wanted to skip work.
サボりが続くと信用を失うよ。
If you keep slacking off, you'll lose people's trust.
学生時代、授業のサボり仲間がいた。
Back in school, I had friends I skipped classes with.