Much the same as would happen at any other time, but possibly with more mess.
Dates that have been chewed by a babies mum is rubbed onto its gums
if you rubbed it where there was ink, you would get a black mark.
A plastic ruler is rubbed vigorously with a woolen cloth
Getting there cliterous rubbed
Nothing
Nothing would happen
Both rods acquired charge of the same polarity during the rubbing process, so there will be a force of repulsion between them.
He might've rubbed against your urethra during sex and try using more lube. It might be a bit irritated. Try positions where that doesn't happen.
the man rubbed his leg and nodded at pip
You get heat energ;y
it starts to wear away then melts because of fricsoin
The tectonic plate's rubbed together and then the earth quake apears .