stork dinner
n.— «Tina Ayers, director of the obstetrics unit, explains, “The stork dinner is a celebratory dinner or lunch that we have arranged for the new mom and dad before they go home.”» —“A ‘Stork’ Dinner for Two” UC Daily News (Upper Cumberland, Tennessee) Dec. 28, 2007. (source: Double-Tongued Dictionary)
I thought a “stork dinner” was the garlic pizza the to-be-mom eats to induce labor! (I’m not joking!)