Top Definition
a sexual position in witch the woman lays on her back and puts her ankles to her head. the man then lays across her putting his penis into her "Vajayjay?" and proceding to fuck
Girl: Man i couldn't get off last night with Timmy!
Girl 2: Did you try trusty number 17?
Girl: Thats the only one i didn't try.
by vjthomas November 06, 2007
10 Words related to number 17

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