A rule used by women practicing "abstinence." You remain a virgin if it only goes in two inches or less.
"Elizabeth, I can't believe you lost it to Chuck."
"Nope. Two-inch Rule. I didn't lose a thing. I'm still a virgin."
by ValoKire April 18, 2008
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A rule used by women saving themselves for marriage. You remain a virgin if it only goes in two inches or less.
"I can't believe you lost your virginity to Chuck."
"Nope. Two-inch Rule. I didn't lose a thing. I can still wear white."
by ValoKire April 21, 2008
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If a married woman fucks a man with a dick two or more inches larger than her husband's penis, the act does not count as cheating
Husband: "Hey babe what did you do today"

Wife: "Oh, your boss came over and fucked my brains out."

Husband: "WTF! We're getting a divorce!"

Wife: "No, it doesn't count , because his cock was 8 inches and yours is only 6."

Husband: "Oh, yeah your right, thats the Two-Inch Rule."
by btcterms March 30, 2023
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