how much it costs to fire heavy's weapon for 12 seconds
it costs 400 thousand dollars to fire this weapon for twelve seconds -heavy weapons guy
by pootis spencer here July 13, 2018
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A large 4-engined widebody jetliner, with an autopilot that actually ends up in conversations with BOTH pilots.
As Jim and Andrew continued their conversation, the Boeing 747-400 autopilot chimed in, "Well, I can actually land myself at Detroit Metro Airport, if you don't mind." Jim anwered, "Go Ahead"
by Trell Brown May 9, 2006
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1. the origin of the word "jumbo jet" (usually used by non-avgeeks and news anchors LOL)

2. a plane that was made by boeing that changed the aviation industry and so it could be modified easily to make it into a freighter
1. Person A: omG!1! loOK aT thAt jUmBo jEt111!!!
Person B: wtf

2. Person A: look its a boeing 747-400!
Person B: nice
by zainless2 October 18, 2020
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A track and field event that is 400 meters in length. The current world record holder is Michael Johnson with a time of 43.18 seconds.
I run the 400 meter dash at my school.
by TheRobot99 March 12, 2008
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Similar to the Beer Mile, the Four Loko 400 is a drinking/running event. To participate in the Four Loko 400, One must chug an entire can of Four Loko at the starting line and then run a 400 meter dash (1 lap around a standard outdoor track). Where as the beer mile requires at least some endurance and training (in both drinking and running), the Four Loko 400 requires a willingness to not feel your legs and to ignore your sense of reason.
Prefontaine would have owned the Four Loko 400 if he hadn't DUI'ed himself to death.
by Darrel Charleston November 18, 2010
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Destiny, like any MMORPG, has levels. The highest level is 400 (called a light level) and some of them are cool, chill, and will help you learn a raid with them if they are new or keep you in their fireteams, crucible, iron banner and trials as long as you aren't the reason they're losing despite your low KD, and they're grown ups with a strong likelihood of having sex with a woman.

The 400 Club is not these people.

The 400 Club is a collective team of assholes similar to a frat made up of overgrown boys with no siblings and trust funds. They are not only 400, but routinely do Kings Fall on heroic and will make you "try-out" for their clan before you can raid with them and will dump you the moment you ask a question or fuck up running even once. And that's the PvE behavior.

The 400 Club behaves this way because it is mostly made up of kids and some in their late teens who check guardian.gg every match and pound their chest at having a high KD like it's a good credit score while always arguing amongst themselves over who's more elite. But feel free to call them out on not getting a lot of sex with girls because they will also claim to be fucking your mom up the ass even though the dudes getting laid would only know about Destiny if you hit them with the box.

And forget about playing Trials. They check stats on guardian.gg like you're a rookie coming into the NFL draft and masturbate (if possible) over being flawless.
IdontPlayALotBecauseIhaveAJob: just left a party full of douches that kicked me for asking what a gun does.

IplayWhenImNotFuckingMyGirlfriend: Sounds like The 400 Club to me.
by JLongUSA January 18, 2017
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Something that cannot be overlooked because it is so much larger and more impressive than any of the others.
When it came to rock music groups, the Rolling Stones are the 400 pound gorilla: the quinitessinally best of them all.
by Duckbutt January 7, 2007
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