(pathology) A functional disorder causing the nerves and muscles of the large intestine to be oversensitive, leading to symptoms such as cramp, bloating, flatulence, diarrhoea and constipation.

(euphemistic) To excrete feces from one's bowels: to defecate.

(euphemistic) To defecate.

(medicine) A gastrointestinal inflammatory disorder, a type of form of colitis not resulting from an infection.

simple past tense and past participle of open one's bowels

Third-person singular simple present indicative form of open one's bowels

present participle of open one's bowels

(idiomatic, slang) to become upset