ass

(noun) (slang) a terrible person, a person who acts in a rude or offensive way

Example Sentences:

During the party, Sally went into my room and took my iPod. Sally is an ass.

Boyfriend: I don’t think we should date anymore.
Girlfriend: Why not?
Boyfriend: I’ve fallen in love with someone else.
Girlfriend: Who?
Boyfriend: Your best friend, Michelle.
Girlfriend: You are such an ass!

From the Blogs:

Knowing when to be an ass

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