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1.
A verb meaning "to put off a phone call until a later time."
I know you want to talk, but the plane's about to take off. We'll have to postphone.
by Snerko November 15, 2010
 
2.
When your asian teacher decides your homework isn't due until a few days later.

Often after a rant about the ungle of arpha (angle of alpha - i think?)
Student: When is our homework 5 due?
Wang: Oah - Homewuk 5 hars bean postphoned until next Monday.
by Email from today February 20, 2007