LAJ stands for Lame Ass Joke. check the examples.....
" Why did the cat cross the road?"

"Sry Bro LAJ"
by Nathan December 14, 2004
a word that can replace any other word
That swim party was sooooo laj.
by abcdmofo June 24, 2010
Little annoying Jew...

Also know as Alon Willing of the BKW Bulldogs jv baseball team

Also refered to as Mulan

(pronounced like lag)
Man oh man is he a laj
by BKW April 27, 2008

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