Strictly speaking, a person who seeks romantic relations with Asians.

Cmmmonly, a short or scrawny white male lacking self-esteem and/or assertiveness who seeks power in interpersonal relationships by attempting to date Asian females whom he perceives to be submissive and obedient.

Also, a white male with a prurient but ironically inaccurate fascination with what he perceives as exotic.

when you've done something so cringe you can't stop replaying it in your head and it stops you from getting on with your every day life

A non-Asian who prefers Asians for dating or sex. This attraction is based on shallow perceptions and media stereotypes of Asians. For example, rice-chasing men often believe Asian women would be more sweet and submissive.

Someone who like Asian culture and Asian people.