1 definition by rrdaniel2

Top Definition
A "leet speech" synonym of "asshat," itself a synonym of "asshole," formulated in a way that can beat the obscenity filters operant in different forms of online chat.
"That dude is obnoxious, ignorant and aggressive, a total 455hat."

"Read the FAQ before inundating us with questions, you 455hat!"
by rrdaniel2 February 18, 2010

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