Gooshoe Share definition Flag Noun; A shoe (preferably a sneaker or loafer) filled to the top, overflowing with an immense amount of goo. This does not apply to flip flops. Check out that gooshoe! It's filled with SO much goo! Gooshoe by Lousarda July 7, 2009 0 0 Get merch Get the Gooshoe mug. Buy Now — $32.95 See more merch