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1.
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 01, 2011