lallpatral means the exact same thing as lolpatrol, it's simply another way of writing it.
Lall patral is NOT a l33ter way of writing though, its ONLY different.
<N00b player> omg u use fkn h4x omg
--> N00b player has left the channel <--
<Lolpatrolinspektøren> >< what a lallpatral!
<Blade X> lol ye.