maybe later
usually said by females, maybe males. When a person is asked to join in an event and doesnt want to but don't want to be too rude about it, they say maybe later. But dont actually intend on doing anything later and forget all about it.
Example:
person 1: "do u wanna come over?"
Person 2: "maybe later"
Person 1: "alright, call me later bye"
person 1: "do u wanna come over?"
Person 2: "maybe later"
Person 1: "alright, call me later bye"