A Fitchew Asian is a bad Asian driver always getting into a bad situation from high anxiety. Constantly backs in and out of parking spaces; causes traffic jams on freeways and usually drives a minivan.
They are always getting into a "bad situation" but it sounds like "fitchew-asian" hence the word.
A fitchew Asian could be someone always causing problems at work too, by being overly knowledgeable about many things
"Oh I got myself into a fitchew Asian on the freeway today when I bumped into that car"
Playing when you aren't supposed to but still playing a lit beat.
Tim is gone so no more skillful Asian hacking anymore.