A possible concise summary is:
Two hosts of a show try to guess the meanings of new slang words, such as sus, Gucci, lit, GMT, curve and high key. They make jokes and share anecdotes along the way. One of them wins a prize for getting four words right. They also interact with fans and promote their merchandise.
Here are the key facts extracted from the text:
1. The text is a transcript of a YouTube video by Rhett and Link, hosts of Good Mythical Morning.
2. The video is about testing Rhett's knowledge of new slang words, such as sus, Gucci, lit, GMT, curve and high key.
3. Link gives Rhett the slang words and their definitions, and Rhett tries to guess what they mean or use them in a sentence.
4. Rhett gets four out of six words right, and wins a t-shirt that says "This Shirt is Lit" with Christmas lights.
5. The video ends with a segment where they spin the Wheel of Mythicality and announce a prize winner.