To put off to a later time. Normally used when talking about a sexual act, or the consequences of a sexual act.
<GastricPenguin> My ass hurts for no reason.
<Gelormino> Once you all get up off your chairs... Your ass will hurt... The chair is just postboning the pain.

by Parog May 30, 2008
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post-breakup sex with an ex.
yeah man, they broke up 6 months ago and charlie is still postboning his ex.
by kmarie January 06, 2008
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To acquire an erection after Sexual intercourse from the thoughts of having Sexual intercourse
Dude our sex was so great I got a postboner
by BlazingWyvren July 02, 2013
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to have sex with an individual or group after the time originally planned.
Their encounter was getting hotter, but "Lost" was on, so Jim was forced to postbone his girlfriend until after the show.
by outrageous-fun April 15, 2009
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The act of making plans for intercourse, then finding out you can't make it, then setting the time for a later date.
Honey, are we still on for tonight?

I don't know babe I got a lot of work to make up i think we're going to have end up postboning our sex tonight.
by Mr. Pizza Man October 01, 2011
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When someone is running late because of an unscheduled sexual encounter
"They were supposed to be here like an hour ago, what gives?"
"I bet they got postboned"
by qwertys February 21, 2014
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When you have to reschedule the night you were supposed to get laid
"Sorry, but can we postbone tonight? My parents just flew in."
by Urgay Dictionary June 14, 2015
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