This sound is from Ronnie Coleman Soundboard

Ronald "Ronnie" Dean Coleman is an American retired professional bodybuilder. He is widely regarded as either 'the greatest' or one of the two greatest bodybuilders of all time along with Arnold Schwarzenegger. Coleman is also renowned for his combination of size and conditioning, dominant body-parts and extremely heavy workouts.
See also: Mr. Olympia, Ronnie Coleman (American football), Iris Kyle, Dorian Yates, 2007 Mr. Olympia, and Lee Haney.