(for) land('s) sake(s) (alive)
old-fashioned A mild exclamation of surprise, alarm, dismay, annoyance, or exasperation. Primarily heard in US. Land sake, look at the time! How is it nearly midnight already? For land's sake, Bill, would it kill you to take out the trash once in a while? Land sakes alive, that cyclist nearly hit me!
Land(s) sakes (alive)!
and Sakes alive!Rur. My goodness! (A mild oath.) Lands sakes! I sure am glad to get home! Sakes alive! Can't you even set the table without making a fuss?