The Android mobile operating system (OS) is open source and customizable. Customized Android operating systems are called ROMs and they can be installed to replace, for instance, the stock Google OS which comes on Pixel phones.
I am going to wipe the Google OS from my Pixel phone and install a custom ROM on it.
The squirt of urine that happens after you have taken a shit which alerts you that it is okay to wipe your ass.
I just got the signal squirt. Now I can wipe my ass!