This sound is from Samwell Tarly Soundboard - Game Of Thrones

Samwell Tarly is a fictional character in the A Song of Ice and Fire series of fantasy novels by George R. R. Martin. He is the elder son of Lord Randyll Tarly of Horn Hill and his wife Lady Melessa Florent.
See also: A Game of Thrones, Game of Thrones (season 6), List of Game of Thrones episodes, List of Game of Thrones characters, Game of Thrones (season 7), Winterfell (Game of Thrones episode),