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
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 18, 2015