who knows what the word colloquial means

It means 'vernacular' -- a colloquial term is a nonstandard slang or idiomatic word or phrase such as 'duh', 'gonna', or 'dead as a doornail'.

Jack is right. Check these links for more information.

http://dictionary.reference.com/browse/colloquial

http://en.wikipedia.org/wiki/Colloquial

To find out the meaning of the word "colloquial," you can consult various sources such as dictionaries, language websites, or books that explain vocabulary. Here's an example of how you can use an online dictionary to get the meaning:

1. Open a web browser.
2. Go to a reliable online dictionary website such as Merriam-Webster, Oxford Dictionaries, or Cambridge Dictionary.
3. In the search bar of the website, type "colloquial" and press enter or click the search button.
4. Look for the entry that corresponds to the word "colloquial" and click on it.
5. Read the definition provided by the dictionary. It will explain the meaning, usage, and any related information about the word.

For instance, according to Merriam-Webster, "colloquial" means "used in or characteristic of familiar and informal conversation." You may find additional explanations or examples to further understand the term.