20th Century slang no one uses anymore

Like lots of things, slang words go out of style, too.

BestLifeOnline.com compiled a list of words that are now seldom used.

For example, "word from the bird," "cool beans," "take a chill pill," "catch you on the flip side," and "talk to the hand" are so 20th century.

Here's a list of 10 more "gnarly" ones you can avoid.

Try using some 21st-century slang like "squad," "salty," and "woke" instead.