Sentence:  He unplugged my umbilical cord to take a leisurely swig, smirking, watching me turn blue before giving it back. My cardiologist told me that was impossible, but I&#39; m still convinced. That&#39;s very <WSD>on-brand</WSD> for [my twin] Jamie. 
Meaning of the word marked with <WSD> tags:  The public image or reputation and recognized, typical style of an individual or group.