So... "weeaboo" is a derogatory term for people who are fascinated with Japanese culture to an obsessive, socially uncomfortable level. They'll gush over minutiae about Japanese culture while sidestepping some of the more problematic aspects of it.
A friend in our D&D 5e campaign is playing a she/her half-elf, and wrangled a deal with a he/him shop-owner who fancies himself an elf scholar. He may additionally be interested in the PC, or simply worshipful of her culture.
What tips can you guys provide on how to really land the squirminess of an "elfaboo"?