A word often used by a very enthusiastic teacher of a class who considers pop quizzes as opportunities, without feeling any mercy towards the poor children who will suffer under it.
Physics teacher: *claps hands* "TIME FOR A POPERTUNITY"
Student: "Screw you Mr. Elbaz"
Physics teacher: "what was that?"
Student: "Nothing.."
The chance to poop as loud as you want. It can refer to the moment when you are finally alone in a public restroom. It can also be used to refer to happening upon an outhouse on a hiking trip or a gas station on a road trip.
When my boss flushed the toilet in the stallnext to me, I knew it was my only window of poopertunity.
At the club, you see a fellow gay doing poppers, you walk up to her and say "poppertunity?"
If she is an self respectable gay, she'll gladly share her poppers.
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.