A person of Asian descent who dyed their hair red.
Sui Mae's hair is naturally black, but if she dyed it red, or put red streaks in it, she'd be an Irasian.
To not care about someone to the extent that the attention you pay them amounts to nothing more than picking your nose and wiping it on your chair.
Jim: Dude, Lisa just said she thinks you're a dweeb!
Michael: Whatever. I got boogers on my chair for her.