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1.
A sexual connotation for two partners to get 69. It is typically used for two women.
Dude, I was at a party the other day and these two hot bitches got north and south while I rubbed one out.
by Ron Coleman February 16, 2009
 
2.
Puking and diarreah at the same time. Can be from either a sickness like the flu or from a really bad hangover.
Johan couldn't pay someone enough to clean the bathroom after a 6 hour bout of the north and souths after drinking the entire bottle of Jager the night before.
by artgod33 January 21, 2009