A History of Short Words

From the New York Times Crossword Puzzle

HIMOM

Thu, 27 Oct '22
Words mouthed to a TV camera
Thu, 31 Mar '22
Classic Jumbotron shout-out
Wed, 29 Dec '21
Shout-out from the stands
Mon, 18 Oct '21
Handmade sign held up by a kid in the bleachers
Thu, 5 Aug '21
Game show shout-out