Concert when Jon went crazy ?
 

I was wondering if there's any show when jon got really but REALLY excited singing a song and he started screaming and adding lyrics and the song ended and he kept screaming and singing.

The only one I recall is a performance of This Ain't A Love Song when the last chorus was sung entirely screaming. Amazing. He showed real love towards his songs and that he really felt them.

Didn't he go crazy when there was a guy with a Boss Jr sign?

Someone posted (I thought it was here, but could be wrong) that the Boss Jr. thing isn't what made Jon kick the guy out--he and his woman were practically having sex at the front and security had been called on them several times because there were kids close by.

I wasn't at the show, but I heard he was a little nuts at one of the NJ Christmas shows (either 1994 or 1995) because he was on antibiotics. He was coughing some through the show and kind of went off in la la land. Again, I wasn't there. That was just what went through the grapevine. I did hear him cough on the bootleg. I'd bet Kathleen or Brooke one was there and could confirm if that was the truth or if it got exaggerated.

I don't have a bootleg of it, but there was a show on the KTF tour where Jon was pretty upset and in tears during his Dry County rant. I think it was Indianapolis. The friend who went said he was going on about the industry and people in the industry who will stab you in the back.

I seem to remember him chucking a bottle of water at reporters at the Gelsenkirchen gig in 2003

If this isn't rock n roll, I don't know what is. Bon Jovi just earned a street cred! Woo Hoo!