Standard crappy party players are good at picking up on level 1 patterns like this one. "He has raised my minraise twice now. I have AA. I will minraise. As expected, Mr LAG hammers me. I call. Good flop. I'm all in because I am overeager to get my chips in when I have a hand like this, because I am the average crappy party player."

Of course it may be "$%^& THIS GUY, I WON'T BE PUSHED AROUND, IM ALL IN", but I hear NL players are usually very gutless when it comes to sliding their stack in. Until proven otherwise, of course.

Given this, you gotta be the judge as to which route this particular standard crappy party player was more likely to have taken.