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2.
When you have sex for too long or so often that you can still feel the movement long afterward.
Similar to the feeling of being rocked by waves for a long time then getting out of the water to find you can still feel the rocking.
back and forth... back and forth... I think I have motion sexness
by iBeeej June 22, 2011
 
1.
to be so horny you will fuck anything that moves
dude stop humping my cat sorry man i have motion-sexness
by platipuss May 01, 2008
 
3.
to be so horny you will fuck anything that moves
dude stop humping my cat sorry man i have motion-sexness
by platipuss May 01, 2008