Swimmers known as the Lido Ladies pose by the pool during sunrise at Charlton Lido in Hornfair Park, London on December 2, 2020, on its first day of reopening after the second national lockdown ended and England enters a strengthened tiered system of regional coronavirus restrictions. (Photo by Victoria Jones/PA Images via Getty Images)

Security grab a Just Stop Oil protester during day one of the second Ashes test match at Lord's, London on Wednesday, June 28, 2023. (Photo by Mike Egerton/PA Images via Getty Images)

In this handout image provided by Red Bull, Maria Paula Quintero of Colombia dives from the 20 metre balcony during the first competition day of the third stop of the Red Bull Cliff Diving World Series on July 01, 2023 at Polignano a Mare, Italy. (Photo by Romina Amato/Red Bull via Getty Images)

Jubilee Class steam locomotive 45596 Bahamas crosses the Forth Bridge on its way from Edinburgh Waverley to Aberdeen on a day trip operated by The Railway Touring Company on Wednesday, April 19, 2023. (Photo by Jane Barlow/PA Images via Getty Images)

The scene in Star Lane, Dunmow, Essex, after a steam traction engine from Sussex on its way to the Saffron Walden Crank Up weekend steam show, crashed into a private dwelling on Friday, April 21, 2023. (Photo by Nicholas.T.Ansell/PA Images via Getty Images)

A Harlequin Great Dane named H and a Chihuahua named Boo during a photo call for the launch of this year's Crufts, at the National Exhibition Centre (NEC) in Birmingham, United Kingdom on Tuesday, March 7, 2023. (Photo by Jacob King/PA Images via Getty Images)

241543903 (a.k.a “Heads in Freezers”) is a numerical keyword associated with a photo meme that involves people taking pictures with their heads in the freezer & sharing them online. By tagging a series of image files with a cryptic number, a high level of search engine optimization can be easily achieved. As a result, typing “241543903” into image search engines like Google Images successfully yields pages after pages of pictures showing people’s heads in freezers.

Actress Liv Tyler poses for a portrait during the 2012 Sundance Film Festival at the Getty Images Portrait Studio at T-Mobile Village at the Lift on January 21, 2012 in Park City, Utah. (Photo by Larry Busacca/Getty Images)