walk out - go on strike More than half of the workers at the factory decided to walk out on strike this morning. walk out of (something) - leave suddenly Three people walked out of the meeting yesterday. walk the floor - walk back and forth across the floor He spent the night walking the hospital floor while waiting for his wife to have a baby. walk the plank - be forced to resign from a job The vice-president was forced to walk the plank when the new president joined the company. walk the plank - be forced by pirates to walk a long plank from the ship out.