This sound is from Meatwad Soundboard

Meatwad is a fictional character and one of the main protagonists of the Adult Swim animated television series Aqua Teen Hunger Force. He is a talking ball of meat who is often portrayed as naive and childlike, but also possesses strange and occasionally dangerous powers.
See also: Aqua Teen Hunger Force, Master Shake, Frylock, Carl Brutananadilewski, Adult Swim.