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An orgasm so scintillatingly pleasurable that one's back is physically bent with passionate ecstasy.
Sydney gave Nick a backbender last week and he almost broke her bed.
by letigre469 November 30, 2011
when a male is so good in bed a woman will do anything he asks
last night i was with the greatest back bender ever.
by pan and lil c April 04, 2006