Captain Morgan stance

When a guy takes a piss with his foot propped up on something (Usually the side of the bath tub) like Captain Morgan stands with his foot on a barrel.

I like your bathroom, I can pee Captain Morgan stance in it.

gay stance

They way someone stands when they're probably gay. Typically a lean to the left or right, with arms akimbo.

"Yeah, that guy totally has gay stance. Looks like he's about to fall over"