A constant stream of random bullshit that makes no sense and adapts to the topic of conversation. people who "phoeb" often need a slap because of the over use of bullshit that comes from there mouth
person 1 "oh my god this smells like vanilla"
person 2 "no it don't u phoeb"
person 1 "i'm a gay jewish tranny that cross dress and has vanilla aids"
person 2 " stop phoebing u fuckin phoeb...shut up