You need a new Head Gasket.
It depends on the damage but most likley not
the radiator will spew hot water on you
It Is Metal Sulfide
First remove the spew with hot water on a rag. When dry, clean boots with a few drops of olive oil on a soft rag.
The cast of Spew - 2009 includes: Frank Huckingbush as Spew
ii think it's water
Your question is not definite but is sounds like you are describing a geyser
When water freezes it expands and the only way it has to go in an ice tray is up.
It can be argued whether or not spew is an onomatopoeia, but most will agree it is not. The definition of spew is to expel large quantities of something forcibly. Spew can be used to describe vomiting and puking. Onomatopoeia is used to describe a word that sounds like what it means. Such as the word buzz.
when they are exploding
You shake it!!
because it is old and has begun to leak