when two Sundays meet

Never. Usually said sarcastically. A: "When are you going to help me clean out the garage?" B: "How about when two Sundays meet?"

Name	Pronounced	Usage
Ladislao	-	Italian
Phyllida	FIL-i-də	English (Rare)
Sophea	-	Khmer
Mcwilliams	[mək'wiljəmz]
Ramesses	RAM-ə-seez (English)	Ancient Egyptian (Hellenized)
Hideyoshi	hee-de-yo-shee	Japanese