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1.
The Merlin's Sleeve is a certain, and not uncommon 'breed' of female genetelia, commonly found in the Middle Eastern region. The Merlin's Sleeve is the complete opposite of a "Camel Toe" and refers to a female's vagina with a protruding, saggy Labia.

Named after it's uncanny resemblance to the sleeve of Merlin the wizard's robe. Merlin's sleeve is uncommon amongst females under the age of 14.
Person 1: "I could tell i wasn't her first"

Person 2: "how so?"

Person 1: "she had merlin's sleeve mate"

Guy 1: "I finally got off her underwear only to realize Merlin had left me a gift."

"Martina"
by Yeah, i'm awesome January 31, 2010