Of or resembling the buttocks. Yes, there is a word for that.
Commonly referred to as a hashtag, in cartography it's the name for the # symbol and means "village". See also Cartography.
To be angry or mean.
Yoo-hoooo! Be a doll and add a funny word.
Per Merriam-Webster, having "wooly or crispy hair," e.g. "Your hair is so ulotrichous!" See also Hair.
A small quantity of something left over.
To resemble a hedgehog, e.g. "Martin Freeman is erinaceous." See also Cute.