After finishing anal penetration, the hole is gaping open. Thus the male puts the female on her head upside down with her legs spread open and the male takes a #2 into her open hole thus completing the foreign exchange.
Synonyms for foreign exchange
On this page, you will find 30 slang terms related to foreign exchange. Some of the top words include: diggle, Ass Attack, grundle, poo pirate, dirty+sanchez, and 25 more.