hype man
n.— «Hammer and the Posse, a group consisting of four dancers, two DJs and one “hype man” (“He’s the guy who pumps the crowd up,” Hammer explained), hope to win over rap fans.» —“M.C. Hammer Nails Down A Royal Reputation” by Lee Hildebrand San Francisco Chronicle Apr. 3, 1988. (source: Double-Tongued Dictionary)
Further reading
The Very Hungry Caterpillar (Bookshop|Amazon) had an earlier title: A Week with Willie the Worm. This is part of a complete episode. Transcript of “The Very Hungry Caterpillar’s First Title” Here’s another book title that didn’t make it, A Week with...
The Merriam-Webster.com dictionary now includes an entry for TL;DR, also rendered as TLDR. It’s a speedy way of dismissing overlong text or introducing a shortened version of something. This useful locution also inspired AI;DR, short for AI;didn’t...