Top definition
Someone who figured out their mbti personality type and now posts hourly, daily or weekly in on-line discussion forums with their type-related issues.
Those mbti fanatics don't stop going on and on about how their type causes all their problems in life whilst forgetting that Science has proved that everyone has a unique existence.
by WhiteKnight82 June 14, 2009
Get the mug
Get a mbti fanatic mug for your cousin Bob.