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1.
The urge to urinate a few minutes after taking a dump. Usually experienced by men after age forty.
I need to take a post partum!

Here comes the post partum!
by big thumper February 16, 2011
 
2.
This is one of other words with post, indicating to depression after having mail delivered that can make you feel restless, anxious, fatigued and worthless
She suffered from a post-partum effect after having e-mail delivered.
by Hercolena Oliver May 02, 2010