I don't think there was one. I can't name one. Not because I had a lot of great feuds, but it would be hard to say the defining feud.
To be that man, you've got to beat the man. Woooo!
I've had more world championships than you've had women!
To be the man, you gotta beat the man!
I had my first 'Survivor Series' in 1991 and I was fortunate enough to be an instrumental part of the shows I was on.
None of this was written to hurt anybody's feelings.