Top Definition
KLU
A person who posted on this site what Fuckley meant, but did not have any right to do so because they have no fucking idea what they're talking about.

Characteristics of KLU:
1) rude
2) moronic
3) clueless
can also be deciphered as shit head
by joeshmo March 08, 2005

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klu
When dumping your shit in the toilet there's always this last piece which, no matter how much you push, simply stays put in your arse. Thats is the klu.

Also a nickname for sticky people
"What have I done to deserve this danm klu"

"Get lost klu"
by pstkk August 23, 2003

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