Kactus
A kactus is someone who’s drier than a desert and about as fun as a sock full of dirt.
My cousin is a kactus. He walked into a party and left before the punch was gone.
My teacher is a kactus. She made the whole class do a math test on a Tuesday.
My dog is a kactus. He stared at me for 10 minutes before I gave him a treat.