A person who is being twaty, they may pretend to be confused simply cause they don’t like what u have said
In response to your friend saying I don’t understand ..don’t be a dick lupus! Or between friends talking about a third party, she’s such a dick lupus
The apparent shade of a person's face when viewed in heavy crimson light; similar in shade to the flower of the lupine plant.
"Shifts might come and go, one lupus-coloured face give place to another;" (Brave New World, Chapter 3)