A large brightly colored bottle used for identification purposes so that American students can find other American students while abroad. Other uses include the transportion of liquids.
"Uh, hi, I couldn't help but notice your Nalgene... so where do you go to school?"
Someone who claims to possess or actually possesses a tremendous knowledge of the wilderness and has a well-traveled plastic water bottle - usually with stickers from various outdoor locations.
That dude was telling me some amazing stories about his six month backpacking trip in Patagonia. He such a nalgenius. And that BPA-free water bottle of his is sick - did you see the wear marks on it?
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the US Coast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."