The phrase "obvious jokes" refers to jokes that are easily recognizable as such, and do not require any special knowledge or understanding to be appreciated. These types of jokes often rely on puns, wordplay, or other simple forms of humor that can be quickly grasped by most people. They may also involve slapstick comedy or other visual gags that are easily understood without the need for elaborate explanations or setups. In short, "obvious jokes" are those that are easy to get and do not require any intellectual effort to enjoy.