Amrah bint Abd al-Rahman said: In the time of Sayyiduna Umar (may Allah be pleased with him) two men quarrelled, and one said to the other: "My father is not an adulterer, nor is my mother." Sayyiduna Umar (may Allah be pleased with him) sought counsel about it; one said that he had praised his parents. Others said: "Praise of parents could also be made with other words. Our view is that he should be flogged." So Sayyiduna Umar (may Allah be pleased with him) gave him eighty lashes.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحدود / 17147