Answer: POPUP
POPUP is a crossword puzzle answer that we have spotted 63 times.
Referring Clues:
- High ball
 - Kind of menu
 - Easy out
 - Easy out, perhaps
 - Easy catch
 - Easy-to-catch hit
 - Easy one for an infielder
 - Bloop
 - Infield fly
 - With 9-Down, modern annoyances
 - Toaster type
 - Easy catch for an infielder
 - "___ Video" (VH1 series)
 - Type of Internet ad
 - Easy out, typically
 - Appear out of nowhere
 - Annoying Web page ad
 - Appear suddenly
 - Blocker target
 - Online intrusion
 - Type of book
 - Like some children's books
 - Online commercial message
 - Like some toasters and children's books
 - Easy catch in the infield
 - Internet annoyance
 - Suddenly emerge
 - Type of children's book
 - Type of children's book
 - Batter's high hit
 - Kid's book feature
 - Appear unexpectedly
 - Annoying online ad
 - 3-D book type
 - Kind of kid's book
 - Annoying ad on a PC
 - High fly ball
 - 3-D, as some books
 - Web page ad
 - Easy-to-catch hit ... or what 1-, 21-, 26-, 48- and 55-Across all do
 - PC user's annoyance
 - Online annoyance
 - Certain Windows Window
 - Infield fly ball
 - Easy infield fly
 - Toaster style
 - Easy infield catch
 - High fly to the shortstop
 - Infield fly rule play
 - Internet aggravation
 - Easy play for a third baseman
 - Easy infield out
 - Appear without warning
 - Temporary, as a store
 - Kind of book or ad
 - Ad in its own window
 - Seasonal shop, e.g.
 - ___ shop
 - Short-term shop
 - Temporary, as a bar or restaurant
 - Like many Robert Sabuda books
 - Like some books and ads
 - Temporary store
 
Last Seen In:
- New York Times - June 19, 2025
 - New York Times - March 15, 2025
 - USA Today - January 14, 2025
 - LA Times - April 05, 2024
 - New York Times - June 01, 2023
 - LA Times - April 07, 2023
 - New York Times - October 15, 2022
 - USA Today - February 03, 2022
 - Netword - April 20, 2021
 - New York Times - November 16, 2020
 - USA Today - May 18, 2020
 - New York Times - April 05, 2020
 - Netword - April 22, 2019
 - Universal - March 30, 2019
 - New York Times - August 30, 2018
 - Netword - June 10, 2018
 - Universal - May 24, 2018
 - King Syndicate - Thomas Joseph - April 13, 2018
 - King Syndicate - Thomas Joseph - April 09, 2018
 - LA Times - February 01, 2018
 
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