When you try talking to a friend who seemingly ignores you for days at a time and gives no attention back, and overall acts like they don't want to be your friend anymore. Just like giving water to a dead plant, the plant will never grow again or give anything back. Hence the name, watering a dead plant.
girl 1: damn, I was talking to Emily last night and it feels like I'm watering a dead plant
girl 2: ditch him, you shouldn't be friends with someone who doesn't match your energy
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."