Continuity mistake: In the last scene where Wilson is in House's office talking about Cuddy, the tennis ball on House's desk continuously changes position between shots.
Continuity mistake: When Cameron apologizes to Chase at the coffee machine, Chase's hair goes from in and out of his left eye between shots without him touching it.
Answer: It comes from the phrase "Everything but the kitchen sink." He's saying that House has thought of "everything but the kitchen sink."
Garlonuss ★