A portmanteau of "unctuous" and "intellectual", an "unctuellectual" is typically a slimytalking-head who makes a living promoting a political agenda after being elevated to prominence on phony accolades. E.g., marxist university professors and modern art critics.
Rick- Can you hand me that remote next to you, please?
James- Yes master, anything for you. I am not worthy. Forgive me.
Rick- What? Stop being so unctuous.
James- Fine. How about you get it yourself, noob.
Rick- Gah!
comes from the verb unce unce unce which is usually applied to a beat of a song. when one feels awkward and has nothing to say just unce. It can mean many things from having sex or getting exciting to go out.
For example, if a friend Liz is having sex with a white rapper, you can say she is uncting with the white rapper followed by unce unce unce.