The Straw Man Fallacy
Your opponent over-simplifies or misrepresents your argument to make it easier to attack or refute. The opponent picks one feature of your argument to focus on in order to simplify it.
The Bandwagon Fallacy
Just because something is popular does not mean that it is right or good.
The Hasty Generalization Fallacy
Someone draws expansive conclusions based on inadequate or insufficient evidence. In other words, they jump to conclusions.