Are you a Russian doll?
Because you're full of yourself. See also Russian.
Real word that Merriam-Webster defines as "attractive in a cheap or false way" and "of or relating to a prostitute".
Oprah Winfrey coined this word meaning a person who does not care about themselves, e.g. wears the same pair of jeans with holes for a month, never brushes hair, etc. See also Lazy.
Uranium 235 and Uranium 238 are almost inseparable isotopes. See also Science.
Dude. Do us a solid. Add your own funny insult.
A person who continues to misspeak, even after being corrected. Read more about the interesting origins of the word.
"Say that to my face, you limp-noodle!" from Disney's Mulan.