To show one's age. When an older person makes a comment or action that refers back to times long since past and shows just how old they are, generally alienating the younger generation a bit in the process.
My grandfather made a reference to Howdy Doody today. Man, was he showing the horse and cart.
Also showing your age
Also showing your age
by JacintaK July 6, 2009
Get the Showing the horse and cartmug.