Having such a long, wild, athletic sex session with so many positions that you feel like you just got a serious workout at the gym.
Ursula: Wow, girl. You look exhausted. What have you been up to?
Maria: My man just spent the last 12 hours doing naughty sexnastics with me. I need a nap!
Ursula: Now I know why he's in such good shape.
Maria: My man just spent the last 12 hours doing naughty sexnastics with me. I need a nap!
Ursula: Now I know why he's in such good shape.
by snowl0ver June 18, 2011
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by The Ashinator February 9, 2007
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Get the Sextastic mug.to describe someone's/something's appearance. Generally implying that it looks so fantastic you would be will to go as far as having sex with it.
by alexfair8589 January 8, 2008
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