Here's a sample description for a YouTube video featuring a try not to laugh challenge with hilarious and adorable baby videos:

"Get ready for some serious cuteness overload in this hilarious and adorable baby video compilation! In this video, you'll see some of the funniest and most heart-melting baby moments caught on camera.

From babies laughing uncontrollably to toddlers getting into hilarious mischief, this video is packed with non-stop laughter and pure joy. But be warned - this is a try not to laugh challenge, and 99% of people lose! Can you resist the charms of these adorable babies?

Whether you're a parent or just someone who loves to laugh, this video is sure to brighten your day. So sit back, relax, and see if you have what it takes to not laugh at these hilarious and adorable baby moments!"