1 Kings 16:11
And it came to pass, when he began to reign, as soon as he sat on his throne, that he slew all the house of Baasha: he left him not one that pisseth against a wall, neither of his kinsfolks, nor of his friends.
Cross-reference
In 1 Kings 16:3, Jehu prophesied the destruction of Baasha's house — Zimri's slaughter is the direct fulfillment of that prophecy.
In 1 Kings 14:10, the same phrase 'him that pisseth against the wall' appears in a prophecy of total destruction, matching Zimri's slaughter.
In 1 Kings 15:29, Baasha himself wiped out Jeroboam's entire house — now Zimri does the same to Baasha's house. Poetic justice.
In 1 Kings 21:22, God warns that Ahab's house will become like the house of Baasha — using Zimri's destruction as a pattern.
In 2 Kings 10:11, Jehu carries out a similar total extermination of Ahab's house, mirroring Zimri's destruction of Baasha's house.
In 2 Kings 9:9, the same formula is repeated: Ahab's house will be like Baasha's house, confirming the ongoing pattern of judgment.
In 1 Samuel 25:22, David uses the identical phrase 'any that pisseth against the wall' in his vow to destroy Nabal's household.