A creature that can live on land or in water that at first appears to be a bizarre, twisted, knotty piece of tree branch or root. They can be any size but can be seen only under the influence of mind expanding substances or by children.
We went canoeing on mushrooms and saw many catapus along the banks of the Fox river.
When a chick gives a guy a blowjob while he is standing and she is squating in front of him. After he comes, she lets the jizz run out of her mouth like a perched gargoyle with rain water draining from its mouth.