Pete Davidson says he was embarrassed and hurt by the constant conversation surrounding his manhood ... admitting all the hype made him feel like a sexual object.

The comedian left the jokes at home for his conversation on "The Breakfast Club" Thursday ... and, he opened up about the world focusing on his alleged "big d*** energy" and completely ignoring his work. Gallery Launch Gallery Getty Composite

Pete says people wouldn't talk about his projects when they saw him ... claiming they looked at him like a piece of meat -- or a "f*** stick," as he puts it.

Host Charlamagne Tha God says Pete had it made after the rumor got started ... banging hotties and allegedly walking around with a python in his pants -- but, Pete says it only looked great on paper. Gallery Launch

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