Mike6Kilo's definitions
When two people who are involved in a relationship with a set of identical twins swap partners for comparison purposes.
Based on the principle that identical twins are formed from a single egg divided into two halves (much the same as a left twix and a right twix).
Based on the principle that identical twins are formed from a single egg divided into two halves (much the same as a left twix and a right twix).
My girlfriend and her twin sister are into twixing.
by Mike6Kilo January 31, 2020
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