Roundhead 

In the British civil war, the opposers to the king were called roundheads, because thier typical haircuts made thier heads appear round.

Roundheads! Cavaliers!

Roundhead by Kung-Fu Jesus May 2, 2004

Roundhead 

1. A circumcised penis
2. A circumcised man

cf Cavalier

"Is he circumcised?"
"Yeah, he's a Roundhead"

Roundhead by satania April 8, 2005

Roundhead 

A term used among rail workers in Melbourne Australia to describe a socially inept train enthusiast. Often abbreviated to "roundie".

Johnny is such a roundhead / Johnny is such a roundie.

Roundhead by Captain Roundie December 12, 2013

roundhead 

A reference to the look of the skull and face of people from Finland and the far north, artic circle, indigenous natives. As opposed to the square cranial shape of Swedes and Norwegians.

That roundhead is from Finland, he isn't a squarehead Swede.

roundhead by hawkinsson March 11, 2019

Roundhead 

A slang term used throughout New England and parts of Canada used to describe the phenomenon of Polish people who all seem to have unusually round heads.

"Yashoo has an extremely Round head, he is no doubt a ROUNDHEAD"

Roundhead by Stash Leja November 11, 2004

roundhead 

used to identify a pole (or polack) in a crowd of people

The real winner is that roundhead over there.

roundhead by johnnieboy July 18, 2006

roundhead 

a fellow who is completely bald, or the head itself. So called because such a head looks round. Such guys may be labeled as nerds or outcasts, on account of their ugly heads.

Kenny,Kevin,Tom,Jamie,Matt,Robert,William,Uriah,Harun,and Jim all had their heads shaved,so now they're roundheads. They stink and look ugly,but as long as they're content,so be it.

roundhead by JMC70 November 28, 2016