Top definition
An abbreviation of the word suppose, something you should do or you are suppose to do.
you are posta stop at da red light
by Christine Smith July 19, 2005
Get the mug
Get a posta mug for your mother-in-law Larisa.
buy the domain for your travel vlog
4
A small round glowing orb that is ejaculated out of a man's belly button when over bloated and sexually aroused simultaneously.

It can be controlled telepathically and is scolding to the touch.

It is often mistaken for a small food sex fairy, but is actually immensely dangerous.
I went over to Denises' house and ate over half the pizza, she began to take her clothes off, and my postum came out.

I haven't seen Jenelle in a few days, Jon must've shot his postum at her again.
by Hydrox Cheezels April 27, 2009
Get the mug
Get a Postum mug for your guy Beatrix.
5
A word in place of ā€œsupposed toā€ when you donā€™t feel like saying the whole thing
Iā€™m posta pay deshaun back later today.
by BJK42 December 15, 2017
Get the mug
Get a Posta mug for your mate Sarah.