The skill of randomly switching subjects at rapid speeds and understanding what the other person is saying without clarification, while giving quick and witty feedback.
Friend : Hey you hear about what happened at school?
Friend2: Yeah I know, crazy stuff. What she say to you?
Friend: She said she was down to kick it, I was trippen what happened to you?
Friend2: That's wassup , I had to go get my car fixed yesterday and omg I hate Justin Bieber.
Friend: Oh man me too! I was on YouTube and he made me want to punch little children in the face repeatedly!
Friend2: Yeah, you ready?
Friend:Let's go get some ice cream already.
Collaquialism for ya.