A sticker in messenger used to indicate, "I have stopped talking. You should also stop talking."
Although it also can imply that you likesomething, so it's still polite.
Friend: Are we still on for *that stupid event that you haphazardly agreed upon* tomorrow evening?
You: *Blue thumbs up*
Friend: Great! See you there!
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.