(v.) To not wear underwear. The origins for this are either "out in the open" or "ready for action". Maybe others.


(n.) A non-stop arnie movie with him jumping from an aeroplance, overturning a porsche, and killing entire armies without a scratch. Far from his best (terminator series, predator and jingle all the way), but better than that cold heat one.
I'm going commando-be afraid- I may bugger you


Ahm gooweeng co-MANDU, be Afreed, I may kill your ahmies.
by Gumba Gumba May 24, 2004
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My friends and I are overconfident, thus we always go commando. Jimmy? No, he's just weird.
by wysiwyg February 19, 2004
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Free-balling!! or not wearing undergarments
When going on a date that you know you're going to get some, it is best to go COMMANDO to save yourself the trouble of taking off your interior clothing
by Memo August 9, 2004
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Quite possibly the funniest not-meant-to-be-funny-movie ever, starring Arnold Schwarzenegger. Things he does in this movie include:
-Rips a huge metal pole off a wall and hurls it at main antagonist, striking him in chest and impaling him
-Dual wields M-60's with near infallible accuracy.
-Kills half a dozen people with a single grenade that explodes on impact
-Jumps off a plane from like 300 feet in the air and lands completely unharmed
-Chops off some dude's arm with an axe
-Hurls a buzz saw at some dude and slices his head in half
-Manages not to get hit by 2000+ bullets fired at him in a period of 3 min., without any cover or attempts to dodge
-Fires a rocket launcher(with 4 rockets in it)at a vehicle and blows it up, turns around and fires at another vehicle and blows it up, then blows up a couple more buildings with it, drops rocket launcher, and walks away casually.
-You get the idea.
I just watched Commando and laughed so hard I shat my pants.
by Johnny Mendez March 1, 2005
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To go without wearing underwear. As a long-standing tradition, some theater Benetians will go without underwear on closing night of a performance, going "commando".
"Are you going commando?"
"In this rented costume? No way!"
by K16 May 3, 2006
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When a guy is not wearing any underwear. This is done by Marines or Soldiers during forced marches or "humps" to cut down on shaffing. Must be done in conjunction with a liberal amount of Gold Bond or baby powder.
My girlfriend thinks it's hot when I go commando. She doesn't know that I do it because I am to lazy to do laundry.
by BooyahUSMC May 30, 2006
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From the Scottish term "going regimental" meaning to stay traditional and not wear undergarments under one's kilt.
Girl 1: "Carl just told me he's going commando. Gross."

Girl 2: "But he loves it when you go commando."
by habanero September 15, 2005
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