The sequence 🖕 🖕 🖕 represents three middle finger emojis, which are generally used to express extreme offense, anger, or contempt.
Essentially, it's a digital expression of giving someone "the finger" three times over. This is a rude and insulting gesture in many Western cultures. The emoji displays the back of a hand with the middle finger extended upwards. The repetition emphasizes the strength of the negative feeling being conveyed.