Fecation Share definition Flag The benevolent act of traveling to a far away and isolated restroom to defecate, so as to not subject others to one's own horrendous fecal odor. I didn't want to cause any suffering among my coworkers, so I went on fecation this morning. You see, I ate Indian food last night. Fecation by SciNerd March 12, 2010 Get the Fecation mug.