Wiktionary
gastrically
adv. In a gastric way.
Usage examples of "gastrically".
The wail lifted and spread, cutting through everything with the tenacity of gastrically induced stress The Flynts stopped in their tracks and their massive hands came up against the sides of their heads with a crash as they tried in vain to shut out the sound.
It could be a very grave mistake for the lot of you to go running off in search of… of what may very well turn out to be a collection of gastrically induced falsehoods!