The word people use when you've done something that isn't technically "bad" or "wrong" but they still don't like it anyway and expect you to conform to their personal tastes.

the act of texting people while you are pooping

The current euphemism for "wrong" or "bad." It is supposed to sound more objective than "wrong" and "bad," but it is not.

the definition of urban dictionary

What your mom says when she catches you masturbating.

In high school settings, short skirts, low cut tops, see through clothing and skin tight jeans. The student handbook says not to wear this, but many girls still wear it anyway to look skanky.

A word that apparently means "not suitable or proper in the circumstances" but is used these days almost exclusively to mean anything that is sexually explicit, drug or alcohol related, violent, or otherwise obscene. In the context of age in terms of children, rather than the traditional overall definition.