Used by speaker to indicate emphasis. For example "It was a really intense interview. He was totally up in my kitchen". Due to flexibility of construct, the context of when the phrasal verb is used is imperative and will affect meaning. It can be used to denote positive or negative situations. For example "We had an incredible time. She was totally into my kitchen".
"God it was so up my kitchen"
"He was totally up in my kitchen"
"How was last night?" "Four words for you. Up. In. My. Kitchen"