Informal, idiom.

Synonymous and interchangeable with 'character'.

An interesting, eccentric, odd, dangerous or otherwise unusual person depending on context.
I got my ass kicked by a couple of rounders.

or

Did you see that rounder Suzy's with?
by bad example December 24, 2010

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Top Definition
A player who knows all the angles and earns his living at the poker table. The absolute opposite of a 'sucker.'
John was the best rounder around.
by valoem October 28, 2004

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A kickass movie about poker released in the late 90's.
Starring Matt Damon.
One damn good film.
Listen, here's the thing. If you can't spot the sucker in your first half hour at the table, then you are the sucker.
by KRHimself January 24, 2004

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one who makes a living by playing poker
"Everyday he works from 9-5 just grinding it out."
"That's what it takes to be a rounder."
by katan July 28, 2004

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A game played by little girls in UK that is suspiciously similar to baseball
by Dave October 09, 2003

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A poker player traveling around looking for (usualy) high stake games.
Meet Mike, local rounder.
by Puciek January 08, 2009

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An English sport played only on an amatuer level. Somewhat like Baseball, but without some of the sillier rules and without the ridiculous overblown hyperbole of the American monstrosity.
It's sunny, but I can't be bothered with football. Let's just play rounders.
by Rob_W November 25, 2005

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A Billion dollar industry in the U.S.,
a game played by under 12s in the UK
by English Dave October 10, 2003

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