This is the action of where a nerd,plays with multiple nerds down in his mothers basement with a dungeons and dragons board. When one nerd gets the "black dragon" card,they then have a massive ejaculation spraying everynerd at the table,thus getting the poster in the back of them of a castle,thus called,white castles
"DUDE BLACK DRAGON!!!"
"holy shit dude thats the 6th time,im only a level 4 dungeon mage"
"awww not a white castle
by Galen (hi brian) December 21, 2007
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When you have sex with a girl while upside down, and then while she is upside down, performs fellatio on a second male. it's like a castle.
You: "Did you hear about the threesome I did a few days ago?"

Friend: "Oh, the one where you did a white castle with your roommate and his girlfriend?"

You: "Yeah, it was fucking nuts."
by Ninja6781 July 26, 2010
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When you build a sand castle on some girl's tits and then, when finished building, proceed to Tittyfuck her, covering the castle in your cum. Thus, a white castle.
Guy #1: I went to the beach with my girlfriend last night.

Guy #2: Really? What'd you two do?

Guy #1: I gave her a fucking White Castle that's what we did!

Guy #2: Oh shit! That is aaaaawwwwwwwweeeeesssssoooommmmeeeeee!
by DarknessOni69 January 28, 2009
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getting fingered between the buns (a.k.a the ass)
yo I totally got white castled by david last night... it was weird
by Tocqwanduh Mahree April 8, 2010
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a construction site outhouse, also a burger joint, pretty much the same thing depending on who you ask
Scott went to white castle, then he HAD to go to the white castle
by douglas epley November 26, 2006
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Eng. - when one splooges repetivitly in one spot to from a castle of jiz. over time this hardens to form a upsidedown cone much like a stalagmite in a cave. One could enjoy playing with one, having splooge wars, or using it for erotic pleasures with someone from massachusetts.
Damnit my girlfriend left shit on my white castle.

Dude if you were hungry you could have gone to the fridge, i have been working on that for a year.
by Pooper scooper November 22, 2004
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A magical land were all the little people live and the king of the white castle is sir eats alot. this place is so conceled that the only way to get there is to use the magical train of white royalty. the train man who is also Mr. White the uber kool super hero guards the train and he scores with all the chix. I heard that if u go to white castle the royal chef makes these tiny magic burgers which are so scrumshess. the prince of white castle is harold. and the general of its all mighty army is kumar. (not druv). so if u go to white castle can u please send me a picture or invite. THANX.

Man 1: Yo dude did u go to white castle before.

Man 2: Nah man they only let little silly people with fuzzy feet there like frodo.

Man 1: ohhh...... lets go back 2 my place nd watch some very homosexual porn
Man 1: Yo dude did u go to white castle before.

Man 2: Nah man they only let little silly people with fuzzy feet there like frodo.

Man 1: ohhh...... lets go back 2 my place nd watch some very gay porn
by Ceymore johnson March 22, 2005
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