Words similar to happenin

Example sentences for: happenin

How can you use “happenin” in a sentence? Here are some example sentences to help you improve your vocabulary:

Que Happenin'?
Unable to afford a professional slogan, something hip and hot and happenin' (Do the kids still say happenin' with the apostrophe and all, or is there some swingin' new punctuation?)
has become so transparent that we all know it means "What's happenin'?"