trots (n.)

• catharsis
• colic
• constipation
• crap
• defecation
• dejection
• diarrhea
• dysentery
• dyspepsia
• evacuation
• flux
• gripe
• gripes
• heartburn
• indigestion
• irregularity
• movement
• obstipation
• purgation
• purge
• pyrosis
• shit
• shits
• stool
• voidance