Thinking that an argument must be true because it's popular
Bandwagon fallacy
You're dumb, your argument is wrong.
Ad hominem fallacy
Believing something is right just because it's been done for a really long time
Appeal to tradition fallacy
You have to have cats or dogs; no other pets exist
False dilemma fallacy
Believing something is "good" or "beneficial" just because it's natural
Naturalistic Fallacy
Can you prove the Earth is round and not flat?
Shifting the burden of proof fallacy
Believing just because an authority or "expert" thinks something that it must be true
Appeal to authority fallacy
If I miss one day of class, I'm gonna fail college
Slippery slope fallacy
Only choosing a few examples that support your argument, rather than looking at the full picture
Cherry picking fallacy
Unqualified generalization