Hot dog

From Tardis Wiki, the free Doctor Who reference

A hot dog was a kind of cheap food that Ben Jackson didn't think could be bought for £20 in 1994. (MA: Invasion of the Cat-People)

The Tenth Doctor once asked Angela Price is she carried a hot dog. She told him how ironic is was that he desired processed meat while they faced the Cybermen. The Doctor remarked that hot dogs were the Cybermen of meat. (DW: The Age of Steel)