Ric Flair is half the man Wilt Chamberlain claimed to be -- admitting he's slept with roughly 10,000 women during his storied wrestling career.
Nature Boy reportedly confessed about his 5-figure conquest while shooting a "30 for 30" special for ESPN -- a special that's set to air in November.
But apparently Naitch, who's famously referred to his penis as "Space Mountain" for years while asking women if they want a ride ... is now embarrassed about his sex life.
"I wish I hadn't said that because of my grandkids," Flair told People ... insisting, "I only love one now" -- a reference to his fiancee, Wendy Barlow.
FYI, Flair is 68 years old -- so if he started banging at 15 ... we're talking an average of 188 women per year (or 3.6 women per week).
Chamberlain claimed to have slept with 20,000 women.
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