lunge at (someone or something) To leap toward someone or something, especially with the intent of grabbing, attacking, or striking them or it. The criminal lunged at the police officer with a knife, but the cop was able to subdue him without difficulty.

From Longman Dictionary of Contemporary English lunge /lʌndʒ/ verb [ intransitive] to make a sudden strong movement towards someone or something, especially to attack them lunge at/forward/towards/out etc The goats lunged at each other with their horns.

to make a powerful forward movement, especially in order to attack somebody or take hold of something lunge at somebody/something He took out a knife and lunged at her. lunge forward She lunged forward and snatched the letter from me. lunge towards somebody/something He sprang from his seat and lunged towards her.

to move forward suddenly and with force, especially in order to attack someone: He suddenly lunged at her with a broken bottle.