A human with a brick or square shaped head/hair cut. Often resembling creighton from red dwarf. All edges of the square head are at 90 degrees.
Look at that guy standing beside bones...he has a square shaped dome
by Jonny wa November 27, 2004
1 more definition
Squaredome has a square-like head and likes to molest small vunerable girls (Amy, ahem ahem)
My god jd is a square dome
by g jones May 14, 2004