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Someone who takes pride in learning, applying and spreading throughout their lives accurate sexual health information, effective communication skills, and relationship blackbelt knowhow regardless of sexual identity and practices.
"You should go see Megan about that STD question 'cause she's a total Sex Geek and will probably know the answer, or which sex ed website to go to."

"That Sex Geek and his sex ninja gf put the Us in Anus."

"Sex Geeks are good friends to have when you run out of condoms and safer sex supplies 'cause they usually know where you can get 'em for free!"

"Tristan likes to geek out about Show-n-Tell Sex Ed, which makes her a complete Sex Geek."
by ReidAboutSex August 23, 2011
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