I derogatory or insulting way to describe someone who is white or caucasian. It is insulting because it compares white people with the foul smelling skin condition that can accumulatate under the foreskin of a male penis. Smegma or dick cheese is "white".
Don't worry he is a Smegma, he can't help but be ignorant, arrogant, and overbearing all at once. He was born like that.
Sorry he is so judgemental, he is of the Smegma race.