It's from last man standing. It's a metaphor for a vagina. Look up "Inglorious Baxters Pie Rack" it's a song
by NQKDXKJDA April 9, 2017
Get the pie rack mug.
An alternate pronunciation of the phrase "Pipe Rack" often used in petrochemical plant design.
"We plan to issue the final pie rack drawings this week"
by Matt27 January 31, 2008
Get the pie rack mug.