What is a prefix for shocking?

There isn't a single perfect prefix for "shocking" that creates a new word in common usage. However, here are some options depending on the desired nuance:

For emphasis or intensity:

* Super-shocking: Means extremely shocking.

* Ultra-shocking: Means incredibly shocking.

* Mega-shocking: Means massively shocking.

* Hyper-shocking: Means excessively shocking.

For a more negative connotation:

* Dreadful-shocking: Means terrifyingly shocking.

* Horrific-shocking: Means horrifyingly shocking.

* Appalling-shocking: Means disgustingly shocking.

For a more specific meaning:

* Electro-shocking: Means shocking with electricity.

* Seismic-shocking: Means shockingly powerful or impactful.

* Catastrophic-shocking: Means shockingly disastrous.

The best choice depends on the context and the desired effect. You could also use descriptive phrases like "utterly shocking," "completely shocking," or "deeply shocking" instead of a prefix.