length of time of physical and/or sexual desirability in a human. a reference to body parts 'gone/going bad' due to lack of maintenance, genetics, and/or 'human chronological erosion'
-'goods' 'for sale', only at their 'prime' for a "limited" time!!
a sunny, optimistic, "good personality" (other skills?) MAY sometimes offset this!
his beer gut is superseded by his million dollar payday, extending his shelf life.
the old fool imagined his shelf life hadn't expired 20 years previous...
the shelf life of that perky butt is questionable!!
Who uses them for their pleasure, when they feel like it and then 'puts them on the shelf' when they have got what they want.