1 definition by Ilikedapoopoo69

A phrase you use when you are so surprised or fascinated by something that you want to shoot a unicorn with a harpoon and shove it up it's ass then anally fuck the corpse.
Man yesterday i ooooooh'd so hard that Willis also went ooooooh
by Ilikedapoopoo69 December 3, 2013
Get the ooooooh mug.