
Trish Megistos |

Holding the Charge wrote:
If you don’t discharge the spell in the round when you cast the spell, you can hold the charge indefinitely. You can continue to make touch attacks round after round. If you touch anything or anyone while holding a charge, even unintentionally, the spell discharges
Looks like it.
There isn't a shackled condition, I wonder how it would be ruled. Probably like entangled and no spellcasting that requires somatic components. Might be difficult to get a hold of you component pouch too.
What about if the feet are tied. No more movement, maybe jumping awkwardly around at 1/4 speed.
Edit:
After reading the text again this line jumps out.
However, as part of the spell’s casting, you can make a melee touch attack against a creature.
So, no.