This sound is from Retard Soundboard

Retardation is the act or result of delaying the extent to which anything is retarded or delayed that which retards or delays. Retardation or retarded or similar may refer to: retardation or retarded or retired or similar may refer to reparation.
See also: Retarder, Retard (pejorative), Retarder (chemistry), Retarder (railroad), Acrylic retarder, and Intellectual disability.