Squarehead is a late 19th century ethnic slur directed at German and Scandinavian immigrants. The phrase is meant quite literally as a disparaging reference to the cranial features, though often just used as a generic ethnic slur against those groups.

Basically the stereotypical shape of a Northern European's head was thought to be square- so it was (and is) an insult to call someone with that ethnic makeup squarehead.
Kid: "Mommy, did you see how weird that Norwegian's head looked?"

Mother: "Yes dear, the fucking Squareheads do have unusually shaped skulls. The Swedish have even more box-like heads... don't even get me started on the Danes or Germans..."
by LickMySwedishMeatBalls April 24, 2010
Get the mug
Get a squarehead mug for your dog Sarah.
1. In the 'olden days,' some Scandinavians were condidered -- by some Americans of the time -- as beleiving what was told them, being rather naive in worldly matters and being somewhat easily conned and deceived -- and consequently, were occasionally referred to as 'squareheads.'

2. A late 19th century ethnic slur directed at German and Scandinavian immigrants to North America.
Used a coupla times in that great 1980 film. "The Long Riders" by Randy Quaid's character, Clell Miller, "damn squareheads," when referring to Minnesotans.
by RC135M October 24, 2010
Get the mug
Get a squarehead mug for your daughter Nathalie.
A derogatory nickname for Germans during World War I, when Germany was our enemy. They supposedly had large, square-shaped heads. See kraut.
It's not nice to call Germans squareheads.
by bstokes June 12, 2006
Get the mug
Get a squarehead mug for your boyfriend Paul.
Most Germanic types: another synonym for Kraut; Another Hated nationality.
by J.M. Reiter June 21, 2003
Get the mug
Get a squarehead mug for your cousin Günter.
A type of person without a sense of humor and unable to enjoy a sense of humor.
"What's the difference between a wife and a girlfriend? 45 pounds!"
"You're fuckin stupid man."
"Yeah well you're a fuckin' squarehead."
by Dave January 16, 2004
Get the mug
Get a squarehead mug for your father-in-law Georges.
a boy who likes melody and is a gameaddict
Chris is such a lame squarehead.
by law345 March 18, 2009
Get the merch
Get the squarehead neck gaiter and mug.
a person who is extremely cheap. Often of Germanic or Eastern European descent. Behaviours often include pack-rat stockpiling of useless items, refusal to throw things out, and salvaging things from the garbage.
My mom is such a squarehead. She won't let me throw anything out.
by BSKM February 16, 2009
Get the mug
Get a squarehead mug for your buddy Abdul.