[ I or T, usually + adv/prep ] to push or hit something forcefully and quickly, often with a thin or sharp object:
The doctor jabbed the needle into the dog's leg.
Watch out! You nearly jabbed me in the eye with your umbrella!
He was jabbing a finger at (= towards) them and shouting angrily.
[ I ] to make quick forceful hits with your fist (= closed hand) when boxing
[ T ] to kick a ball hard and quickly:
He jabbed the ball into the net in the final minute of the game.