Funny guy in the cl running out of jokes?

im a sopre and usually comedy just comes to me i make people laugh easily whenever the teachers talking i can make people laugh cause he messes up he goes "if you can find me a rich, nice, women, u automatically get an A in my cl" and yell "MY GRANDMA!!" and people start laughing and he goes "Senor Cerdagalan, please" (He calls me senor cause im part mexican and cerdagalan is my last name) and i go "oh so what my grandmas not good enough for u?" peolpe laugh he goes "senor, take a nap" "shes just no y enough for u? mr mercer is that racism? u dont like my grandma cause shes black?" and people laugh (specially cause i said grandmas black and shes mexican.. or spanish rather) but lately im running out of jokes, this week i scored the best one! it was hilarious got me detention and everything but im running out of jokes!!! why!!? give me some good ones please!!