Pack of fat or flab located under armpit. Most commonly found on fatties. Found to be highly unattractive on slightly overweight and just plain overweight women wearing sundresses, tube tops, bikinis, and all other upper body garments that reveal the armpit.
Guy 1: "Dude, check her out."
Guy 2: "She's ok, I'm just not into those pit packs."
Guy 1: "Really? Pit packs? Did you just make that up?"
Guy 2: "Yea, and its going on Urban Dictionary tonite, it'll be the next cankles."
by Vire22 February 2, 2011
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The series of events one should follow when adhering to the utmost of courtesy and etiquette in a large scale shower stall wrangle. That is, when out at a festival, campground, or military exercise where many men have to share a few shower stalls, common sense dictates that one shouldn't linger.

Hails from USA military slang in the modern day. To spend time hanging out soaking in the hot water while your bros wait in line is lame.
"what's the big hold up, why's the lineup moving so slow...it's easy man it's pits, pack, crack, get out!"

"-I'm not looking forward to the showers out here man I hear the water's pretty darn cold

-Don't worry you won't be in there long enough, it'll be pits, pack, crack, get out!"
by joelpball123 October 12, 2009
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