look up any word, like donkey punch:
 
1.
Noun. Low self esteem and feelings of inadequacy which will eventually result in the creation of a complete pushover or 'Doormat'. Katie Syndrome is caused by excessive exposure to the gloomy atmosphere and constant emotional abuse that people find themselves subjected to when confronted with a 'Katie'. The effects of the 'Katie' is stronger when the Katie is of the surname 'Smith'
That poor girl, she's suffering from Katie Syndrome
by Doctor S.Piffing July 29, 2009