Sherry was a fortified white wine.
Ace opened a bottle of wine and a bottle of cheap cooking sherry to drink with the Time Scaphe crew. Both bottles were remnants of the TARDIS's wine racks. (PROSE: Cat's Cradle: Time's Crucible)
Rory Williams was given sherry after he had contracted tuberculosis. (PROSE: Dead of Winter)
Winifred Gillyflower once offered the Eleventh Doctor a glass of amontillado, a type of sherry. (TV: The Crimson Horror)
Leela believed that sherry tasted funny. (AUDIO: Chronoclasm)
Sherry was one of the items in the hamper that Sir Clive Reeves gave to Anne Caisson for Christmas. (PROSE: For the Man Who Has Everything)
Ernest Tiermann offered the Tenth Doctor sherry, but he found it to be too sweet. (PROSE: Sick Building)