The room left over in the crotch area of your pants when they don't fit exactly right. The amount of extra space may hold anywhere between three and twenty "extra" testicles
"Stacy, I don't think those pants fit you quite right."

"Oh god I know! Perfect on my ass but look at all of this ballroom!!!"

*proceeds to fiddle with excess fabric for emphasis
by Pookiluki February 8, 2015
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A room for holding balls in, as in a formal dance. Normally found in larger older houses or mansions, not generally found in modern houses, due to the fall in popularity of formal balls. Think chandeliers and shining polished floors.
When walking round the 19th century manor house, Elizabeth was particularly impressed by the large and stately ballroom.
by Fen_94 February 18, 2013
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When one does not wash his balls for so long it grows a mushroom on them
Aaron is so nasty I bet he has several ballrooms growing
by Matchew March 2, 2007
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Space in the front of a man's pants/trousers.
These jeans have no ballroom. They'll make me sterile if I wear them too long.
by LudwigVan December 17, 2003
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An adjective describing a particularly adept lover, or a particularly poetic and graceful night in the sack.
"Wow, that guy is total ballroom in the sack."
"That sex was mind-blowing ballroom, dude!"
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1.Song by Glam rock band Sweet, it has been covered several times but most notable by punk band The Damned.

2.Cockney Rhyming Slang for tits.

see also: Blitzkrieg Bop
And the man at the back said Everyone attack
and it turned into a ballroom blitz
And the girl in the corner said
Boy, I wanna warn ya, it'll turn into a Ballroom Blitz

Ballroom Blitz.
by go20orange March 15, 2006
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When the comfortable, always present yet never recognized gap between the male knees is forced shut unwillingly (Usually caused by too many people sitting on a bench, couch, bus, etc...). This causes the vacant area for the testicles to do as they please to become occupied by the thighs. This causes the room for one's balls to become blitzed. A few warning signs which often come before a ballroom blitz are "Is someone sitting here?" or "mind if I take a seat?".
Mike: Hey Tim! How's it going? Mind if I sit by you?
Tim: No disrespect Mike, but I'm not just going to let you blitz my ballroom like that.

Football Announcer: And he's going for the ballroom blitz... And he gets the sack! (thought I'd throw in a pun)
by TangClock June 28, 2009
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