Slunce : profoundly bad diarrhoea. Usually reminiscent of a waterfall and/or volcanic explosion.
Causes : very hot curry, polluted water, etc.
Treatment : much wiping usually required. Advisable to drink lots of water.
1. "I ate a vindaloo last night, and filled the bog with slunce this morning."
Can also be used as an insult, ie:
1. "Your face is about as attractive as a bucket of slunce."
2. "This food tastes/looks like slunce."
3. "Your essay is utter slunce."