Window of Craportunity

The re-occurring time in the day in which the body must evacuate. A period of time in which suitable crap can achieve success. To shit consistently at a given time.

JP: Where you at? Let's move man.
Paulley: Gotta go. Window of craportunity just opened up.
JP: We'll be late.
Paulley: If I miss this, I won't be able to shit all day.