“Why the heck do they call it a swimming pool? I mean, it doesn’t even swim!”

A joke on the term “swimming pool” was posted on Reddit—3amjokes on September 5, 2017:
   
“Why the heck do they call it a swimming pool? I mean, it doesn’t even swim!”
 
   
Reddit—3amjokes
Why the heck do they call it a swimming pool? self.3amjokes
Submitted September 5, 2017 by MikeOShay
I mean, it doesn’t even swim!
 
Twitter
3AM‏
@3AM_Jokes
Why the heck do they call it a swimming pool?... I mean, it doesn’t even swim!
6:03 PM - 5 Sep 2017
 
Twitter
LOL Tweets™‏
@lolmgco
Why the heck do they call it a swimming pool?
I mean, it doesn’t even swim!
7:30 PM - 5 Sep 2017