Well, most people if you ask, it's called sissoring, because in order for that to happen, both legs would have to be opened by each of the participants, making a sissor like formation.
Friction makes things (like soles) rub away
When two surfaces rub against each other, it is called friction. Friction is the force that resists the motion of one surface over another.
It is called a B'not Mitzvah, and a Bat Mitzvah for more than two girls is also called this.
It is called lesbianism.
That sound is called a pleural friction rub and is typically heard as a grating or rubbing noise during respiration. It is often a sign of inflammation of the pleura, which can be due to conditions such as pneumonia or pleurisy.
That would be friction which can cause heating.
Static Electricity!
A place where two plates rub together is called a fault line or a plate boundary. This interaction can lead to earthquakes and volcanic activity as the plates move against each other.
That is called friction. Friction occurs when two objects are in contact and move against each other, creating resistance that opposes their motion.
The first movie I thought of was "thirteen". . . Where these two girls got their tongue pierced.
The friction that two surfaces excert on each other when they rub against each other is called a friction.
The usual word for a gay female is a lesbian. Two of them are "a couple".