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A name for a monster on the internet, usually used in reference to someone who randomly swears constantly and has a temper problem in an IRC chat room. The term first came into use on Dalnet.

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Another use of the word Obleku is in reference to player killing someone for payment, Like a user in an MMORPG. This came into use after a bug abuse by IRC users in the MMO Runescape.
<Random Person> F*** I hate this F*** S***
<You> Stop going Obleku and calm down man
(Replaying *'s with swear words)

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<You> I am going to Obleku Jess12 cause Josh22 offered me 1 million gold
by Vip-on Seers October 07, 2007
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