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A shilliam is a person who is extremely tall, white, and weak. They run like a tard.
Ha! Look at that retard run. Hes such a shilliam
by Cody Fox October 28, 2007
one who is white, uncoodinated, slow, weak, and repulsive

see also: butt pirate
Wow, that guy sucks, hes such a shilliam!
by BigStud99069 March 11, 2008