Loving someone so much that you hate them with the same instensity because you're afraid of rejection so you cover up your true feelings with the opposite.
Helga: Arnold! What a do-goody geek, how I loathe him... and yet... (silly music plays and she starts blabbing some poetry that she wrote about him)
Helga Pataki syndrome
by snejana October 17, 2012
When a person does what Helga does to Arnold on the tv show “Hey Arnold."
When a girl or guy says nasty hurtful things to someone; but the person that is saying the nasty things really likes the person that he/she is bullying.

“Hey maybe that girl has the Helga Pataki Syndrome.”
by boc277 December 16, 2007