Please help with rude boy!!!!?

there is this boy at school, and he is really annoying! his name is Ross, but i call him Rosa. me and a few girls are planning to get back at him for being rude to all,being a jerk to his little sister how is a cutie named Nadia, hurting peoples feelings making fun of us, and being a bratty snot poop rag!!!!!! if you have any pranks for us to pull on him, thaat would be great. he like this one girl named elizibeth who is one of the girls in our group of people trying to get back at him. He plays water polo, plays basketball, collects food in his desk from the cafeteria, today i smashed it!!!! so yeah, but please nothing childish like fake love letters. it would also help if it involved stuff found in the croom. so far we put tape in his hair and glue on his seat. PLEASE HELP!!!!! 10 points!!!!!!!!!!!!! thanx! if nothing good to say dont say it at all!