श्राद्धभुग् वृषलीतल्पं तदहर्योऽधिगच्छति । तस्याः पुरीषे तं मासं पितरस्तस्य शेरते ॥ २५० ॥
If the partaker of a Sraddha (-dinner) enters on the same day the bed of a Sudra female, the manes of his (ancestors) will lie during that month in her ordure.
english translation