Yeep is a combination of the terms "yeet" and "yep." It is to be used when enthusiastically affirming something.
Joe: "Are you excited to go see that new Marvel movie with me?"
Susie: "Yeep!"
A word to express yes, ok, huh, i am hungry, i need goldfish, basically any word.
Are you sure?-Yeep
Idk?-Yeep