When you see a bitty on a semi-consistent basis and you don't think her rack is up to snuff then BAM! bikini pics upload to the fb and you realize she has some cannons.
Friend 1: Her boobs are not that nice.
Friend 2: They are too. It is an optical iboobsion
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.