a threesome in which two participants restrict their attention to the upper or lower regions of the third participant (aka. continent)'s body, out of respect for one another's territory.

how two guys and a girl can have a threesome, without it being gay.
sam, warren, and collette are studying.

collette: do you guys wanna make out?
sam: i've got south! get'm deep!
warren: fine, i'll take north.
collette: wooo, north south!
by alexandr petrovsky December 17, 2007
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