dumportunity 

An opportunity to sneak off from the crowd to go take a monster dump. (Dumportunist, noun)

Before arriving to the party, Bojangles devoured a 5 piece fried chicken bucket and cornbread among various other soulfood dishes. As the party shifted outside, a dumportunity shined upon his churning bowels. Bojangles was an infamous dumportunist, with a brand so pungent, suffocating, and foul.

dumportunity by La-Weeze La-Fer. July 6, 2011

dipportunity 

leaving class when the professor is distracted or helping other students.

Yo Danny, should we take advantage of

dipportunity? "Hell yeah man, lets roll!"

dipportunity by kano the insano March 2, 2011

bumportunity 

The chance to get bumped from an overbooked flight in order to receive a free travel voucher in exchange for agreeing to take a later flight. (bump + opportunity)

I'm going to ask the agent if there might be a bumportunity on this flight.

Don't bother. The flight isn't even close to sold out.

bumportunity by weenerella August 20, 2007

Desportunity 

The phenomenon in which a love affair and/or marriage takes place between a European and the lonely, thirty-something local person they target.

When he walked into the dark bar in the hip part of town, the desportunity presented itself in the form of a pool shark.

Desportunity by Eggs McBrown July 10, 2007