When you know you are going to plan a night of anal sex, to perform anal sex with a partner, male or female
Ye man gonna go dirtboxing with that girl tonight.

Oh she loves dirtboxing, right in the ass

What you been upto this weekend, dirtboxing ?
by Jimmy Mc Anus December 16, 2005
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The Anus, or more specifically, a female anus.
I'm going to plow that girl's dirtbox like there is no tomorrow!
by Xoc January 16, 2003
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Shit, I'd do her in the dirtbox... a lot.
by Afext December 10, 2002
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yea dude she was on the rag, so i flipped her over and stuck her in her dirtbox.
by nathan November 14, 2003
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A slang term for the anus. It can be used to denote the asshole or it can be used in a pejorative way when describing someone whose asshole you'd like to fuck. The person in question becomes the dirtbox in question thus reducing them to a fuckhole and nothing more.
An example might be "Wow, she's cute. That's a lovely little dirtbox there." That would usually be said in the exclusive company of men. It can also be used in a loving way by members of the gay community. An example might be "Hello Jeremy, I was thinking that maybe this evening we could have a quiet meal in that new Italian restaurant down by the river. Then I can take you home, rub your feet after a long day and then light some scented candles. Then we can make out and I can then lube up my tube and poke it right in your dirtbox. How does that sound?" It's a very versatile word.
by LiberaceHudson October 10, 2017
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Look at that dirtbox.. So friggin tight.. I'll put something on it..
by Only person March 1, 2009
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When you get really drunk and you act like a foool!
Andy Lane was such a dirtbox last night!
by sjhbdchyvbls94 June 13, 2011
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