Asshat

An insult used to define a person with their head up their ass. It is considered a curse word.

"Did you eat the last cookie?! You asshat!"

Dickfuck

There's technically no meaning to this. It's just used as an expression of anger, or can be used as a useless insult. If you're uncomfortable using curse words, you can use the alternative "Duckfick"

*drops object*
"DICKFUCK!"

Fuckbrain

The insult used for a person with a dirty mind. It can also mean a very stupid person, or a person who gives no fucks. It is considered a curse word.

X: "UGH I'm so stiff"
Y: "That's what he said"
X: "Shut up you fuckbrain"