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A slightly psychotic individual with a beard much like that on the head of a troll, accompanied by an unnecessary, yet captivating wallet chain.

When excited, the chaintroll's speech becomes accelerated, much like that of Boomhauer from King of the Hill.

Some common phrases used to identify a chaintroll include but are not limited to:

-motherfucka isa asshole
-fuckin hooptie
Person 1 - I was at the bar and some tall guy threw that chaintroll across the room!

Person 2 - Chaintrolls don't know when to quit.
by The Polack August 24, 2010
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