when two Sundays come together

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

See also: come, Sundays, together, two

See also:

(one) will be lucky
(one) would be lucky
great job
(I) would if I could
a (fat) lot of good that will do
(one) should be so lucky
a (fat) lot of good that does
(well,) I never!
a bright spark
couldn't happen to a nicer (person)

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