The 2019–20 coronavirus pandemic resulted in many requirements to wear face masks. Many people wore the masks even at home.
       
“Somewhere, someone is showering with a mask on. I just know it” was posted on Facebook by Blanca Verde on August 9, 2020. The saying has been printed on several images.
     
     
Wikipedia: 2019-20 coronavirus outbreak
The 2019–20 coronavirus pandemic is an ongoing global pandemic of coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The outbreak was first identified in Wuhan, Hubei, China, in December 2019, and was recognised as a pandemic by the World Health Organization (WHO) on 11 March 2020.
         
Facebook
Blanca Verde
August 9, 2020 at 10:00 PM ·
Somewhere, someone is showering with a mask on. I just know it. 🚿😷
 
Twitter   
Chris Wick
@ChrisWickNews
Somewhere, someone is showering with a mask on. I just know it.
5:08 AM · Aug 11, 2020·Twitter for Android
   
Twitter
Mr. Mac
@HeyLookItsMac
Somewhere…
There’s somebody…
...Showering with a mask on.
I just know it…
9:32 PM · Aug 14, 2020·Twitter for Android
   
Twitter
Jason
@Jason1776Q
Somewhere, someone is showering with a mask on..I just know it.
7:31 PM · Aug 15, 2020·Twitter for Android
 
Twitter
ᗰᵉˡ
@mel_faith1
Somewhere there is someone showering with a mask on. I just know it. 🤦🏻‍♀️
2:30 PM · Aug 16, 2020·Twitter for iPhone
   
Facebook
Quotes Made with Love
Poster based in Canada · August 18, 2020 at 1:00 PM ·
Somewhere, someone is showering with a mask on. I just know it. 🛀😷🚿
   
Facebook
Jesus Is Lord
August 18, 2020 at 2:25 PM ·
Somewhere, someone is showering with a mask on. I just know it. 🛀😷🚿
 
Twitter
Anomalous 1…
@Oddest_Goddess
Somewhere someone is showering with a mask on
...I just know it.
-author unknown
7:09 PM · Aug 18, 2020·Twitter for iPhone
 
Twitter
Phillygirl
@24tog
Somewhere, someone is showering with a mask on.  I just know it
8:49 AM · Aug 20, 2020·Twitter for iPhone