The old classic is rub your tummy and pat your head.
He did his homework and guitar lessons simultaneously. This means he did there two things together.
u can kiss and kick
If two things are happening simultaneously, it means that they are happening at the same time. For example, if you said something in response to someone and the person next to you said the same thing at the same exact time, that would be happening simultaneously.
probably 1 out of 10
The twins simultaneously read thier speeches.
Two brothers could feasibly hold the title of Baron simultaneously.
The word simultaneous is an adjective. It describes two or more things happening at the same time.
All light waves behave in two ways, simultaneously. Light of any kind acts as both a wave and a ray.
No, you cannot do two opposing things at once. Nor can one do "nothing", even the dead rot. You can do "something". Pick well.
things being thrown at something or someone simultaneously.
They both express two things simultaneously.