Oowasopaco Share definition Flag A way to politely ask someone if they would like some popcorn. "Do you want some popcorn?" Pronounced: oo-wa-sa-pack-o. "Oowasopaco?" "Yes please! I DO want some popcorn!" Oowasopaco by Ms. Redenbacher December 23, 2008 0 0 Get merch Get the Oowasopaco mug. Buy Now — $32.95 See more merch