In reference to when a baby is born, the outer part of the vagina flaps in and out for about a second or two. This gives the appearance of saloon doors opening and closing like in old western movies when a cowboy walks into the place.
Did you see that that chick give birth?! That baby came flying out of those saloon doors.
The act of swinging both ways yet unsure of ones sexuality.
The professor and Roberto were so scared of their sexuality that while on the road in the cover of night they took the chance to act on their saloon door syndrome.
Nickname given to bales of marijuana thrown overboard or out of airplanes. Origin is reportedly from members of the USCoast Guard in the area of Southern Florida.
"Base we've got some square groupers floating outside of Miami harbor."