What is Hard Swapping?
1.
When you trade sexual partners.. as opposed to soft swap where you just watch, or be watched, the other couple having sex. Sometimes soft swap does entail the trading of oral sex between the different couples.
M and L are into Hard Swapping at their swing parties.
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Random Words:
1.
Abbreviation for automatic teller machine machine
2.
Abbreviation Ass To Mouth Machine. Not to be confused with an Automated Teller Ma..