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l33+ speak for the word loser
a guy that posts his own nick on UrbanDictionary.com with comments like the one seen above is quite obviously a l00b3r.
by predder September 18, 2003

Words related to l00b3r

cock smoker
haha you're more a loob3r than neolithic
by not tensop October 21, 2003
Hot, Sexy, and has the biggest e-penis known to man and woman
"WOW, hes a real l00b3r"
by Matthew August 11, 2003